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Web: www.GemcoDirect.com Email: sales@GemcoDirect.com Phone: (888) 861-8777
 
Rotary Limit Switches, Position Sensors, Resolvers, Encoders
 
Worm Gear Type Rotary Limit Switches Series 2000
 
DESCRIPTION
 
The Series 2000 Rotary Limit Switch is primarily used for machine tools, handling devices, and rotary operators where motion is expressed in shaft rotation. The primary purpose of the switch is to control the intermediate or end limits of a linear or rotary motion. The switch is often used as a safety device to protect against accidental damage to equipment. Available in several different versions: Worm Gear Type, Spur Gear Type, Heavy Duty Type, 2 Circuit Worm Gear Type, and the 4 Circuit Worm Gear Type.
 
2000-2006 Rotary Limit Switches Brochure
Gemco Drawing 2000 Worm Gear Limit Switch NEMA 1, 12
Gemco Drawing 2000 Worm Gear Limit Switch NEMA 4
Gemco Drawing 2000 Worm Gear Limit Switch NEMA 7, 9
Drawing Gemco 1950 Snap Switches
1950 Precision Snap Switch Information
Drawing Dimension NEMA 1 and NEMA 12 RLS Spur Gear Style 2000-800
NEMA 7 and NEMA 9 Explosion-Proof Statement, Rev A
 

 

 

 

 

 

Worm Gear Type - Special Cams
No Part
Number
Description Image Stock
Qty
Price
Each
Qty
Ord'd
Update
Cart
1 AME-S0005500 Ametek Gemco Cam 2000 
Part S0005500 
aka S-55-A 
Standard 25 Degree or 335 Degree Cam 
For a 2000 Series Rotary Limit Switch 
Dated  
Ship from stock to 10 days 
[Amazon] 
(1LBS) H 2" L 2" W 4" Box
0 $16.20
2 AME-S0006800 Ametek Gemco Cam 
Part S0006800 
aka S-68-A  
Special 54 Degree Cam 
For some 2000 Series Rotary Limit Switches 
Or if ordered and installed in a Rotary Limit Switch add $ 8.00 per circuit 
Normally a Stock Item @ BPI 
Ships from Stock to 10 Days 
Dated 01-2023 
(1LB) H 4" L 6" W 4" Box
16 $16.20
3 AME-S0008400 Ametek Gemco Cam 
Part AME-S0008400 
Special 75 Degree or 285 Degree Cam 
For a 2000 Series Rotary Limit Switches 
Or if ordered installed in a Rotary Limit Switch add $ 8.00 per circuit 
aka S-84-A  
[Amazon] 
(1LB) H 4" L 5" W 4" Box
6 $16.20
4 AME-S0006900 Ametek Gemco Cam. S-69-A Special 90 Degree or 270 Degree Cam for a 2000 Series Rotary Limit Switch. Or if ordered installed in a Rotary Limit Switch add $ 8.00 per circuit. 
(1LBS) H 4.00" L 4.00" W 4.00" 
[Amazon]
5 $16.20
5 AME-S0008500 Ametek Gemco Cam. S-85-A Special 105 Degree or 255 Degree Cam for a 2000 Series Rotary Limit Switch. Or if ordered installed in a Rotary Limit Switch add $ 8.00 per circuit. 
(1LBS) H 2.00" L 2.00" W 4.00" 
[Amazon]
6 $16.20
6 AME-S0008600 Ametek Gemco Cam. S-86-A Special 135 Degree or 225 Degree Cam for a 2000 Series Rotary Limit Switch. Or if ordered installed in a Rotary Limit Switch add $ 8.00 per circuit. 
(1LBS) H 2.00" L 2.00" W 4.00" 
[Amazon]
13 $16.20
7 AME-S0008700 Ametek Gemco Cam. S-87-A Special 150 Degree or 210 Degree Cam for a 2000 Series Rotary Limit Switch. Or if ordered installed in a Rotary Limit Switch add $ 8.00 per circuit. 
(1LBS) H 2.00" L 2.00" W 4.00" 
[Amazon]
11 $16.20
8 AME-S0007000 Ametek Gemco Cam. S-70-A Special 180 Degree Cam for a 2000 Series Rotary Limit Switch. Or if ordered installed in a Rotary Limit Switch add $ 8.00 per circuit. - 0 $16.20
9 AME-S0007100 Ametek Gemco Cam. S-71-A Special 240 Degree or 120 Degree Cam for a 2000 Series Rotary Limit Switch. Or if ordered installed in a Rotary Limit Switch add $ 8.00 per circuit. 
(1LBS) H 2.00" L 2.00" W 4.00" 
[Amazon]
8 $16.20
10 AME-S0012700 Ametek Gemco Cam. S-127-A Special 360 Degree Blank Cam for a 2000 Series Rotary Limit Switch. Or if ordered installed in a Rotary Limit Switch add $ 8.00 per circuit. 
(4LBS) H 4.00" L 7.00" W 2.00" 
[Amazon]
1 $16.20
 

Worm Gear Type Rotary Limit Switches Series 2000
No Part
Number
Description Image Stock
Qty
Price
Each
Qty
Ord'd
Update
Cart
1 AME-2000-100B Ametek Gemco Geared Rotary Limit Switch 2000 
Part 2000-100B 
2000100B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
1000 to 1 Gear Ratio 
4, Independent, Position Adjustable Circuits, Switches / Cam / Switches 
4, S.P.D.T., Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O. or N.C. Circuits 
4 Screw Terminals per Switch 
Switch Part AME-04537001, UL Listed  
NEMA 1 & 12 Enclosure 
Gasketed, Dust Resistant 
Color Blue, Fibralloy Material 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Ships in 4 Weeks, Peck MI 
Dated 06-2022 
(3LBS) H 3" L 8" W 4" Box
0 $1,044.00
2 AME-2000-101B Ametek Gemco Geared Rotary Limit Switch 2000 
Part 2000-101B 
2000101B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
5 to 1 Gear Ratio 
4, Independently Adjustable Switches / Circuits / Cams 
4, S.P.D.T., Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O. or N.C. Circuits 
4 Screw Terminals per Switch 
Switch Part 04537001, UL Listed  
Standard Cam Dwell of 25 Degrees 
Other cam dwells are available 
NEMA 4 Cast Aluminum Enclosure 
Weatherproof, Water Resistant, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Ships in 3 Weeks, Peck MI 
Dated 01-2023 
(6LBS) H 4" L 8" W 5" Box
0 $1,017.00
3 AME-2000-102B Ametek Gemco Geared Rotary Limit Switch 
Part 2000-102B  
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
10 to 1 Gear Ratio 
4, Independently Adjustable Switches / Circuits / Cams 
4, S.P.D.T., Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O. or N.C. Circuits 
4 Screw Terminals per Switch 
Switch Part 04537001, UL Listed  
Standard Cam Dwell of 25 Degrees 
Other cam dwells are available 
NEMA 4 Cast Aluminum Enclosure 
Water & Weather Resistant, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
[Amazon] 1 2020 
(6LBS) H 3" L 8" W 5" Box
2 $1,017.00
4 AME-2000-103B Ametek Gemco Geared Rotary Limit Switch 
Part 2000-103B 
2000103B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
20 to 1 Gear Ratio 
4, Independently Adjustable Switches / Circuits / Cams 
4, SPDT / Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O.or N.C.Circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
NEMA 4 Cast Aluminum Enclosure, Water Resistant, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temp 180 Degrees F 
Ships in 2 Week, Peck MI 
Dated 01-2021 
(6LBS) H 4" L 8" W 5" Box
1 $1,017.00
5 AME-2000-104B Ametek Gemco Geared Rotary Limit Switch 
Part 2000-104B 
2000104B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
30 to 1 Gear Ratio 
4, Independently Adjustable Switches, Circuits,Cams 
4, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O.or N.C. Circuits 
4 Screw Terminals per Switch 
Switch Part 04537001, UL Listed  
NEMA 4 Cast Aluminum Enclosure, Water Resistant, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Normally a Stock Item @ BPI 
Ships from Stock to 6 Weeks 
Dated 01-2023 
(6LBS) H 3" L 7" W 4" Box
0 $1,017.00
6 AME-2000-105B Ametek Gemco Geared Rotary Limit Switch 
Part 2000-105B 
2000105B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
40 to 1 Gear Ratio 
4 Independently Adjustable Switches - Circuits - Cams 
Switches, 4, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O. or N.C. Circuits 
4 Screw Terminals per Switch 
Switch Part 04537001 UL Listed  
NEMA 4 Cast Aluminum Enclosure, Water Resistant, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Ships in 2 Weeks, Peck MI 
Dated 01-2021 
(6LBS) H 3" L 8" W 5" Box
0 $1,017.00
7 AME-2000-106B Ametek Gemco Geared Rotary Limit Switch 
Part 2000-106B 
aka 2000106B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
50 to 1 Gear Ratio 
4, Independently Adjustable Switches / Circuits / Cams 
4, S.P.D.T., Single Pole Double Throw Precision Snap Action Switches 
which can be wired for N.O. or N.C. Circuits 
4 Screw Terminals per Switch 
Switch Part 04537001, UL Listed  
NEMA 4 Cast Aluminum Enclosure, Weatherproof, Water Resistant, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Ships in 2 Weeks 
Dated 1 2020 
(6LBS) H 4" L 8" W 5" Box
0 $1,017.00
8 AME-2000-107B Ametek Gemco Geared Rotary Limit Switch 
Part 2000-107B 
2000107B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
60 to 1 Gear Ratio 
4, Independently Adjustable Switches - Circuits - Cams 
4, S.P.D.T., Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O. or N.C. Circuits 
4 Screw Terminals per Switch 
Switch Part 04537001 UL Listed  
NEMA 4 Cast Aluminum Enclosure 
Water Resistant, Color Red, Suitable for Outdoor Service 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Ships in 10 Days, Peck MI 
Dated 01-2021 
(6LBS) H 4" L 8" W 5" Box
0 $1,017.00
9 AME-2000-108B Ametek Gemco Geared Rotary Limit Switch 2000 
Part 2000-108B 
2000108B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
80 to 1 Gear Ratio 
4, Independently Adjustable Switches - Circuits - Cams 
4, S.P.D.T., Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O. or N.C. Circuits 
4 Screw Terminals per Switch 
Switch Part 04537001 UL Listed  
NEMA 4 Cast Aluminum Enclosure 
Water Resistant, Color Red, Suitable for Outdoor Service 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Ships in 4 Weeks, Peck MI 
Dated 01-2023 
(6LBS) H 4" L 8" W 5" Box
4 $1,017.00
10 AME-2000-109B Ametek Gemco Geared Rotary Limit Switch 2000 
Part 2000-109B 
aka 2000109B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
100 to 1 Gear Ratio 
4 Independently Adjustable Cams - Switches - Circuits 
Switches, 4, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O. or N.C. Circuits 
4 Screw Terminals per Switch, Switch Part 04537001 UL Listed  
NEMA 4 Cast Aluminum Enclosure 
Water Resistant, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Ships in 10 Days 
Dated 1-2020 
(6LBS) H 4" L 8" W 5" Box
0 $1,017.00
11 AME-2000-10B Ametek Gemco Geared Rotary Limit Switch 2000 
Part 2000-10B 
200010B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
20 to 1 Gear Ratio 
2 Independently Adjustable Switches / Circuits / Cams 
Switches 
2, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O. or N.C. Circuits 
4 Screw Terminals per Switch 
Switch Part 04537001 UL Listed  
NEMA 4 Cast Aluminum Enclosure, Weatherproof, Water Resistant, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Ships in 4 Weeks 
Dated 01-2023 
(6LBS) H 4" L 8" W 5" Box
0 $847.00
12 AME-2000-1100B Ametek Gemco Rotary Limit Switch 
Part 2000-1100B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
600 to 1 Ratio Gear Ratio, the cam block rotates once every 600 turns of the main shaft 
3 Independently Adjustable Switches/ Circuits / Cams 
Single Pole Double Throw U.L. Listed Precision Snap Action Switches which can be wired for normally open or closed circuits. 4 Screw Terminals 04537004 
Standard Cams allow switch contacts to be opened for 25 or 335 Degrees. Other cam dwells are available 
NEMA 1 & 12 Enclosure, Gasketed, Dust Resistant, Color Blue, Fibralloy Material 
Turns required to reset switch 1/2 
Maximum switch setting @ 47 turns 
Up to 1000 RPM Clock Wise or CCW 
1/2 Inch Diameter Input Shaft Extends 1 & 1/2 Inch from the Enclosure, Includes a Woodruff Keyway & # 404 Key 
Maximum Operating Temperature 180 Degrees F 
1/2 -14 American Standard Pipe Thread Entrance 
Dated 01-2021 
(4LBS) H 3.50" L 7.50" W 4.50"
0 $882.00
13 AME-2000-1101B Ametek Gemco Geared Rotary Limit Switch 
Part 2000-1101B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
600 to 1 Gear Ratio. Cams rotates 360 degrees every 600 revolutions of the input shaft 
3 Independently Adjustable Switches / Circuits / Cams 
Switches, 3, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 4 Cast Aluminum Enclosure, Weatherproof, Water Resistant, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
[Amazon] Dated 1 2020 
(6LBS) H 4" L 8" W 4" Box
0 $1,277.00
14 AME-2000-1102B Ametek Gemco Geared Rotary Limit Switch1 2020 
Part 2000-1102B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
600 to 1 Gear Ratio. Cams rotates 360 degrees every 600 revolutions of the input shaft 
3 Independently Adjustable Switches / Circuits / Cams 
Switches, 3, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 7 Cast Aluminum Enclosure for Hazardous Locations. Designed to meet the requirements of NEC code for Class 1, Group D, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
Dated 01-2021 
(6LBS) H 3.00" L 7.50" W 4.50"
0 $1,398.00
15 AME-2000-1103B Ametek Gemco Rotary Limit Switch 
Part 2000-1103B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
2000 to 1 Ratio Gear Ratio, the cam block rotates once every 2000 turns of the main shaft 
3 Independently Adjustable Switches/ Circuits / Cams 
Single Pole Double Throw U.L. Listed Precision Snap Action Switches which can be wired for normally open or closed circuits. 4 Screw Terminals 04537004 
Standard Cams allow switch contacts to be opened for 25 or 335 Degrees. Other cam dwells are available 
NEMA 1 & 12 Enclosure, Gasketed, Dust Resistant, Color Blue, Fibralloy Material 
Turns required to reset switch 1/2 
Maximum switch setting @ 47 turns 
Up to 1000 RPM Clock Wise or CCW 
1/2 Inch Diameter Input Shaft Extends 1 & 1/2 Inch from the Enclosure, Includes a Woodruff Keyway & # 404 Key 
Maximum Operating Temperature 180 Degrees F 
1/2 -14 American Standard Pipe Thread Entrance 
[Amazon] Dated 1 2020 
(4LBS) H 3.50" L 7.50" W 4.50"
0 $1,523.00
16 AME-2000-1104B Ametek Gemco Geared Rotary Limit Switch 
Part 2000-1104B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
2000 to 1 Gear Ratio. Cams rotates 360 degrees every 2000 revolutions of the input shaft 
3 Independently Adjustable Switches / Circuits / Cams 
Switches, 3, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 4 Cast Aluminum Enclosure, Weatherproof, Water Resistant, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
[Amazon] Dated 1 2020 
(6LBS) H 3.00" L 7.50" W 4.50"
0 $1,914.00
17 AME-2000-1105B Ametek Gemco Geared Rotary Limit Switch 
Part 2000-1105B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
2000 to 1 Gear Ratio. Cams rotates 360 degrees every 2000 revolutions of the input shaft 
3 Independently Adjustable Switches / Circuits / Cams 
Switches, 3, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 7 Cast Aluminum Enclosure for Hazardous Locations. Designed to meet the requirements of NEC code for Class 1, Group D, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
C.F. 
Dated 01-2021 
(6LBS) H 3.00" L 7.50" W 4.50"
0 $2,043.00
18 AME-2000-1106B Ametek Gemco Rotary Limit Switch 
Part 2000-1106B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
4000 to 1 Ratio Gear Ratio, the cam block rotates once every 4000 turns of the main shaft 
3 Independently Adjustable Switches/ Circuits / Cams 
Single Pole Double Throw U.L. Listed Precision Snap Action Switches which can be wired for normally open or closed circuits. 4 Screw Terminals 04537004 
Standard Cams allow switch contacts to be opened for 25 or 335 Degrees. Other cam dwells are available 
NEMA 1 & 12 Enclosure, Gasketed, Dust Resistant, Color Blue, Fibralloy Material 
Turns required to reset switch 1/2 
Maximum switch setting @ 47 turns 
Up to 1000 RPM Clock Wise or CCW 
1/2 Inch Diameter Input Shaft Extends 1 & 1/2 Inch from the Enclosure, Includes a Woodruff Keyway & # 404 Key 
Maximum Operating Temperature 180 Degrees F 
1/2 -14 American Standard Pipe Thread Entrance 
Dated 01-2021 
(4LBS) H 3.50" L 7.50" W 4.50"
0 $1,523.00
19 AME-2000-1107B Ametek Gemco Geared Rotary Limit Switch 
Part 2000-1107B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
4000 to 1 Gear Ratio. Cams rotates 360 degrees every 4000 revolutions of the input shaft 
3 Independently Adjustable Switches / Circuits / Cams 
Switches, 3, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 4 Cast Aluminum Enclosure, Weatherproof, Water Resistant, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
[Amazon] Dated 1/18 
(6LBS) H 3.00" L 7.50" W 4.50"
0 $1,914.00
20 AME-2000-1108B Ametek Gemco Geared Rotary Limit Switch 
Part 2000-1108B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
4000 to 1 Gear Ratio. Cams rotates 360 degrees every 4000 revolutions of the input shaft 
3 Independently Adjustable Switches / Circuits / Cams 
Switches, 3, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 7 Cast Aluminum Enclosure for Hazardous Locations. Designed to meet the requirements of NEC code for Class 1, Group D, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
Dated 01-2021 
(6LBS) H 3.00" L 7.50" W 4.50"
0 $2,043.00
21 AME-2000-1109B Ametek Gemco Rotary Limit Switch 
Part 2000-1109B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
5333 to 1 Ratio Gear Ratio, the cam block rotates once every 5333 turns of the main shaft 
3 Independently Adjustable Switches/ Circuits / Cams 
Single Pole Double Throw U.L. Listed Precision Snap Action Switches which can be wired for normally open or closed circuits. 4 Screw Terminals 04537004 
Standard Cams allow switch contacts to be opened for 25 or 335 Degrees. Other cam dwells are available 
NEMA 1 & 12 Enclosure, Gasketed, Dust Resistant, Color Blue, Fibralloy Material 
Turns required to reset switch 1/2 
Maximum switch setting @ 47 turns 
Up to 1000 RPM Clock Wise or CCW 
1/2 Inch Diameter Input Shaft Extends 1 & 1/2 Inch from the Enclosure, Includes a Woodruff Keyway & # 404 Key 
Maximum Operating Temperature 180 Degrees F 
1/2 -14 American Standard Pipe Thread Entrance 
Dated 01-2021 
(4LBS) H 4" L 8" W 5" Box
0 $1,523.00
22 AME-2000-110B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-110B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
250 to 1 Gear Ratio. Cams rotates 360 degrees every 250 revolutions of the input shaft 
4 Independently Adjustable Switches / Circuits / Cams 
Switches, 4, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 4 Cast Aluminum Enclosure, Weatherproof, Water Resistant, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
(6LBS) H 3.00" L 7.50" W 4.50" 
Dated 01-2021
0 $1,359.00
23 AME-2000-1110B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-1110B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
5333 to 1 Gear Ratio. Cams rotates 360 degrees every 5333 revolutions of the input shaft 
3 Independently Adjustable Switches / Circuits / Cams 
Switches, 3, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 4 Cast Aluminum Enclosure, Weatherproof, Water Resistant, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
(6LBS) H 3.00" L 7.50" W 4.50" 
[Amazon]
0 $1,914.00
24 AME-2000-1111B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-1111B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
5333 to 1 Gear Ratio. Cams rotates 360 degrees every 5333 revolutions of the input shaft 
3 Independently Adjustable Switches / Circuits / Cams 
Switches, 3, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 7 Cast Aluminum Enclosure for Hazardous Locations. Designed to meet the requirements of NEC code for Class 1, Group D, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
(6LBS) H 3.00" L 7.50" W 4.50" 
C.F. 
Dated 01-2021
0 $2,043.00
25 AME-2000-1112B Ametek Gemco Geared Rotary Limit Switch 
Part 2000-1112B 
aka 20001112B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
150 to 1 Gear Ratio 
4, Independently Adjustable Switches / Circuits / Cams 
4, S.P.D.T., Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O. or N.C. Circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
NEMA 1 & 12 Enclosure 
Gasketed, Dust Resistant, Color Blue, Fibralloy Material 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Ships in 2 Weeks, Peck MI 
Dated 01-2021 
(3LBS) H 3" L 8" W 4" Box
0 $1,044.00
26 AME-2000-1113B Ametek Gemco Geared Rotary Limit Switch 2000 
Part 2000-1113B 
20001113B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
150 to 1 Gear Ratio 
4, Independently Adjustable Switches / Circuits / Cams 
4, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
NEMA 4 Cast Aluminum Enclosure 
Weather Resistant suitable for outdoor service, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Ships in 6 Weeks, Peck MI 
Dated 01-2023 
(6LBS) H 3" L 8" W 5" Box
0 $1,359.00
27 AME-2000-1114B Ametek Gemco Geared Rotary Limit Switch 2000 
Part 2000-1114B 
20001114B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
150 to 1 Gear Ratio 
4, Independently Adjustable Switches / Circuits / Cams 
Switches 
4, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O. or N.C. Circuits 
4 Screw Terminals, Switch Part 04537001, UL Listed  
NEMA 7 Cast Aluminum Enclosure for Hazardous Locations 
Designed to meet the requirements of NEC code for Class 1, Group D, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Ships in 2 Weeks 
Dated 01-2021 
(6LBS) H 3" L 8" W 5" Box
0 $1,491.00
28 AME-2000-1115B Ametek Gemco Geared Rotary Limit Switch 
Part 2000-1115B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
300 to 1 Gear Ratio 
2 Independently Adjustable Switches / Circuits / Cams / Switches 
4, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O. or N.C. Circuits 
4 Screw Terminals per Switch, Switch Part 04537001 UL Listed  
NEMA 1 & 12 Enclosure, Gasketed, Dust Resistant 
Color Blue, Fibralloy Material 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temp 180 Degrees F 
Dated 01-2021 
(4LBS) H 3" L 8" W 4" Box
0 $1,044.00
29 AME-2000-1116B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-1116B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
300 to 1 Gear Ratio. Cams rotates 360 degrees every 300 revolutions of the input shaft 
4 Independently Adjustable Switches / Circuits / Cams 
Switches, 4, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 4 Cast Aluminum Enclosure, Weatherproof, Water Resistant, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
(6LBS) H 3.00" L 7.50" W 4.50" 
Dated 01-2021
0 $1,359.00
30 AME-2000-1117B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-1117B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
300 to 1 Gear Ratio. Cams rotates 360 degrees every 300 revolutions of the input shaft 
4 Independently Adjustable Switches / Circuits / Cams 
Switches, 4, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 7 Cast Aluminum Enclosure for Hazardous Locations. Designed to meet the requirements of NEC code for Class 1, Group D, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
(6LBS) H 3.00" L 7.50" W 4.50" 
Dated 01-2021
0 $1,491.00
31 AME-2000-1118B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-1118B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
50 to 1 Gear Ratio. Cams rotates 360 degrees every 50 revolutions of the input shaft 
4 Independently Adjustable Switches / Circuits / Cams 
Switches, 4, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 7 Cast Aluminum Enclosure for Hazardous Locations. Designed to meet the requirements of NEC code for Class 1, Group D, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
(6LBS) H 3.00" L 7.50" W 4.50" 
Dated 01-2021
0 $1,044.00
32 AME-2000-1119B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-1119B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
600 to 1 Gear Ratio. Cams rotates 360 degrees every 600 revolutions of the input shaft 
4 Independently Adjustable Switches / Circuits / Cams 
Switches, 4, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 4 Cast Aluminum Enclosure, Weatherproof, Water Resistant, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
(6LBS) H 3.00" L 7.50" W 4.50" 
Dated 01-2021
0 $1,359.00
33 AME-2000-111B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-111B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
500 to 1 Gear Ratio. Cams rotates 360 degrees every 500 revolutions of the input shaft 
4 Independently Adjustable Switches / Circuits / Cams 
Switches, 4, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 4 Cast Aluminum Enclosure, Weatherproof, Water Resistant, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
(6LBS) H 3.00" L 7.50" W 4.50" 
Dated 01-2021 
[
0 $1,359.00
34 AME-2000-1120B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-1120B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
600 to 1 Gear Ratio. Cams rotates 360 degrees every 600 revolutions of the input shaft 
4 Independently Adjustable Switches / Circuits / Cams 
Switches, 4, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 7 Cast Aluminum Enclosure for Hazardous Locations. Designed to meet the requirements of NEC code for Class 1, Group D, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
(6LBS) H 3.00" L 7.50" W 4.50" 
[Amazon] 
1 2020
0 $1,491.00
35 AME-2000-1121B Ametek Gemco Geared Rotary Limit Switch 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
2000 to 1 Gear Ratio 
4 Independently Adjustable Switches / Circuits / Cams / Switches 
4 Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 1 & 12 Enclosure, Gasketed, Dust Resistant, Color Blue, Fibralloy Material 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
Part AME-2000-1121B 
(3LBS) H 3.00" L 8.00" W 4.00" 
Dated 01-2021
0 $1,681.00
36 AME-2000-1122B Ametek Gemco Geared Rotary Limit Switch 
Part 2000-1122B 
aka 20001122B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
2000 to 1 Gear Ratio 
4, Independently Adjustable Switches / Circuits / Cams 
4, S.P.D.T., Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch, Switch Part 04537001 UL Listed  
NEMA 4 Cast Aluminum Enclosure 
Water Resistant, Weather Resistant, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Ships in 2 Weeks 
Dated 01-2021
0 $1,999.00
37 AME-2000-1123B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-1123B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
2000 to 1 Gear Ratio. Cams rotates 360 degrees every 2000 revolutions of the input shaft 
4 Independently Adjustable Switches / Circuits / Cams 
Switches, 4, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 7 Cast Aluminum Enclosure for Hazardous Locations. Designed to meet the requirements of NEC code for Class 1, Group D, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
(6LBS) H 3.00" L 7.50" W 4.50" 
C.F. 
Dated 02-2021
0 $2,371.00
38 AME-2000-1124B Ametek Gemco Geared Rotary Limit Switch 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
4000 to 1 Gear Ratio. Cams rotates 360 degrees every 4000 revolutions of the input shaft 
4 Independently Adjustable Switches / Circuits / Cams /Switches 
4 Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 1 & 12 Enclosure, Gasketed, Dust Resistant, Color Blue, Fibralloy Material 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
Part AME-2000-1124B 
(3LBS) H 3.00" L 8.00" W 4.00" 
Dated 01-2021
0 $1,681.00
39 AME-2000-1125B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-1125B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
4000 to 1 Gear Ratio. Cams rotates 360 degrees every 4000 revolutions of the input shaft 
4 Independently Adjustable Switches / Circuits / Cams 
Switches, 4, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 4 Cast Aluminum Enclosure, Weatherproof, Water Resistant, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
(6LBS) H 3.00" L 7.50" W 4.50" 
Dated 01-2021
0 $1,999.00
40 AME-2000-1126B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-1126B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
4000 to 1 Gear Ratio. Cams rotates 360 degrees every 4000 revolutions of the input shaft 
4 Independently Adjustable Switches / Circuits / Cams 
Switches, 4, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 7 Cast Aluminum Enclosure for Hazardous Locations. Designed to meet the requirements of NEC code for Class 1, Group D, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
(6LBS) H 3.00" L 7.50" W 4.50" 
C.F. 
Dated 01-2021
0 $2,371.00
41 AME-2000-1127B Ametek Gemco Geared Rotary Limit Switch 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
5333 to 1 Gear Ratio. Cams rotates 360 degrees every 5333 revolutions of the input shaft 
4 Independently Adjustable Switches / Circuits / Cams / Switches 
4, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 1 & 12 Enclosure, Gasketed, Dust Resistant, Color Blue, Fibralloy Material 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
Part AME-2000-1127B 
(3LBS) H 3.00" L 8.00" W 4.00" 
Dated 01-2021
0 $1,681.00
42 AME-2000-1128B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-1128B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
5333 to 1 Gear Ratio. Cams rotates 360 degrees every 5333 revolutions of the input shaft 
4 Independently Adjustable Switches / Circuits / Cams 
Switches, 4, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 4 Cast Aluminum Enclosure, Weatherproof, Water Resistant, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
(6LBS) H 3.00" L 7.50" W 4.50" 
Dated 01-2021
0 $1,999.00
43 AME-2000-1129B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-1129B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
5333 to 1 Gear Ratio. Cams rotates 360 degrees every 5333 revolutions of the input shaft 
4 Independently Adjustable Switches / Circuits / Cams 
Switches, 4, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 7 Cast Aluminum Enclosure for Hazardous Locations. Designed to meet the requirements of NEC code for Class 1, Group D, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
(6LBS) H 3.00" L 7.50" W 4.50" 
C.F. 
Dated 01-2021
0 $2,371.00
44 AME-2000-112B Ametek Gemco Geared Rotary Limit Switch 
Part AME-2000-112B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
1000 to 1 Gear Ratio 
4 Independently Adjustable Switches / Circuits / Cams 
4, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
NEMA 4 Cast Aluminum Enclosure 
Water Resistant, suitable for outdoor service, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
Dated 01-2021 
(6LBS) H 3" L 8" W 5" Box
2 $1,359.00
45 AME-2000-1130B Ametek Gemco Geared Rotary Limit Switch 
Part 2000-1130B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
150 to 1 Gear Ratio 
2, Independently Adjustable Switches / Circuits / Cams 
2, Double Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O. or N.C. Circuits 
8 Screw Terminals per Switch, Switch Part 04537003 UL Listed 
NEMA 1 & 12 Enclosure, Gasketed, Dust Resistant 
Color Blue, Fibralloy Material 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Dated 09/22 
(3LBS) H 4" L 8" W 4" Box
0 $1,466.00
46 AME-2000-1131B Ametek Gemco Geared Rotary Limit Switch 
Part 2000-1131B 
20001131B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
150 to 1 Gear Ratio 
2 Independently Adjustable Switches - Circuits - Cams 
Switches, 2, Double Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O. or N.C. Circuits 
8 Screw Terminals per Switch 
Snap Switch Part 04537003, UL Listed  
NEMA 4 Cast Aluminum Enclosure 
Weatherproof, Water Resistant, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Ships in 14 Days, Peck MI 
Dated 10-2021 
(6LBS) H 4" L 8" W 5" Box
0 $1,930.00
47 AME-2000-1132B Ametek Gemco Geared Rotary Limit Switch 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
Part AME-2000-1132B 
150 to 1 Gear Ratio 
2, Independently Adjustable Switches / Circuits / Cams 
Switches 
2, Double Pole Double Throw Precision Snap Action Switches 
8 Screw Terminals per Switch Part 04537003 UL Listed 
NEMA 7 Cast Aluminum Enclosure for Hazardous Locations 
Designed to meet the requirements of NEC code for Class 1, Group D, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
[Amazon] Dated 1-2021 
(6LBS) H 3" L 8" W 5" Box
0 $2,049.00
48 AME-2000-1133B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-1133B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
300 to 1 Gear Ratio. Cams rotates 360 degrees every 300 revolutions of the input shaft 
2 Independently Adjustable Switches / Circuits / Cams 
Switches, 2, Double Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
8 Screw Terminals per Switch Part 04537003 UL Listed 
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 1 & 12 Enclosure, Gasketed, Dust Resistant, Color Blue, Fibralloy Material 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
(3LBS) H 4.00" L 8.00" W 4.00" 
[Amazon] 
Dated 09/22
0 $1,466.00
49 AME-2000-1134B Ametek Gemco Geared Rotary Limit Switch 2000 
Part 2000-1134B 
20001134B YMD-112280 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
300 to 1 Gear Ratio 
2, Independently Adjustable Switches / Circuits / Cams 
2, Double Pole Double Throw Precision Snap Action Switches 
NEMA 4 Cast Aluminum Enclosure 
Weatherproof, Water Resistant, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Keyway & Woodruff Key 
Ships in 6 Weeks, Peck MI 
Dated 01-2023 
(6LBS) H 4" L 8" W 5" Box
0 $1,930.00
50 AME-2000-1135B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-1135B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
300 to 1 Gear Ratio. Cams rotates 360 degrees every 300 revolutions of the input shaft 
2 Independently Adjustable Switches / Circuits / Cams 
Switches, 2, Double Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
8 Screw Terminals per Switch Part 04537003 UL Listed 
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 7 Cast Aluminum Enclosure for Hazardous Locations. Designed to meet the requirements of NEC code for Class 1, Group D, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
(6LBS) H 3.00" L 7.50" W 4.50" 
[Amazon] 
Dated 1-2021
0 $2,049.00
51 AME-2000-1136B Ametek Gemco Geared Rotary Limit Switch 2000 
Part 2000-1136B 
20001136B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
600 to 1 Gear Ratio 
2, Independently Adjustable Switches / Circuits / Cams 
2, D.P.D.T., Double Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O. or N.C. Circuits 
8 Screw Terminals per Switch, Switch Part 04537003, UL Listed 
NEMA 1 & 12 Enclosure, Gasketed, Dust Resistant 
Color Blue, Fibralloy Material 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Ships in 4 to 6 Weeks, Peck MI 
Dated 01-2023 
(3LBS) H 4" L 8" W 4" Box
2 $1,466.00
52 AME-2000-1137B Ametek Gemco Geared Rotary Limit Switch 
Part 2000-1137B YMD-9486 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
600 to 1 Gear Ratio 
2, Independently Adjustable Switches / Circuits / Cams 
2, D.P.D.T., Double Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O.or N.C. Circuits 
8 Screw Terminals per Switch 
Snap Switch Part 04537003 UL Listed  
NEMA 4 Cast Aluminum Enclosure 
Weatherproof, Water Resistant, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temperature 180 Degrees F 
Ships from Stock to 4 Weeks 
Dated 01-2023 
(6LBS) H 4" L 8" W 5" Box
0 $193,000.00
53 AME-2000-1138B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-1138B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
600 to 1 Gear Ratio. Cams rotates 360 degrees every 600 revolutions of the input shaft 
2 Independently Adjustable Switches / Circuits / Cams 
Switches, 2, Double Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
8 Screw Terminals per Switch Part 04537003 UL Listed 
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 7 Cast Aluminum Enclosure for Hazardous Locations. Designed to meet the requirements of NEC code for Class 1, Group D, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
(6LBS) H 3.00" L 7.50" W 4.50" 
Dated 01-2021
0 $2,049.00
54 AME-2000-1139B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-1139B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
2000 to 1 Gear Ratio. Cams rotates 360 degrees every 2000 revolutions of the input shaft 
2 Independently Adjustable Switches / Circuits / Cams 
Switches, 2, Double Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
8 Screw Terminals per Switch Part 04537003 UL Listed 
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 1 & 12 Enclosure, Gasketed, Dust Resistant, Color Blue, Fibralloy Material 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
(3LBS) H 4.00" L 8.00" W 4.00" 
[Amazon] 
Dated 09/22
0 $2,101.00
55 AME-2000-113B Ametek Gemco Geared Rotary Limit Switch 
Part 2000-113B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
5 to 1 Gear Ratio 
4, Independently Adjustable Switches / Circuits / Cams 
4, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O. or N.C. Circuits 
4 Screw Terminals per Switch 
Snap Switch Part 04537001 UL Listed  
NEMA 7 Cast Aluminum Enclosure for Hazardous Locations 
Designed to meet the requirements of NEC Code for Class 1, Group D 
Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Tempertature 180 Degrees F 
Ships in 2 Weeks 
Dated 01-2021 
(6LBS) H 4" L 8" W 5" Box
0 $1,156.00
56 AME-2000-1140B Ametek Gemco Geared Rotary Limit Switch 
Part 2000-1140B 
20001140B YMD-9962 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
2000 to 1 Gear Ratio 
2 Independently Adjustable Switches / Circuits / Cams 
2, Double Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O. or N.C. Circuits 
8 Screw Terminals per Switch 
Switch Part 04537003, UL Listed  
NEMA 4 Cast Aluminum Enclosure, Weatherproof, Water Resistant 
Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Normally a Stock Item @ BPI 
Ships from Stock to Weeks 
Dated 01-2024 
(6LBS) H 3" L 8" W 5" Box
1 $2,573.00
57 AME-2000-1141B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-1141B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
2000 to 1 Gear Ratio. Cams rotates 360 degrees every 2000 revolutions of the input shaft 
2 Independently Adjustable Switches / Circuits / Cams 
Switches, 2, Double Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
8 Screw Terminals per Switch Part 04537003 UL Listed 
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 7 Cast Aluminum Enclosure for Hazardous Locations. Designed to meet the requirements of NEC code for Class 1, Group D, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
(6LBS) H 3.00" L 7.50" W 4.50" 
Dated 01-2021
0 $2,684.00
58 AME-2000-1142B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-1142B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
4000 to 1 Gear Ratio. Cams rotates 360 degrees every 4000 revolutions of the input shaft 
2 Independently Adjustable Switches / Circuits / Cams 
Switches, 2, Double Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
8 Screw Terminals per Switch Part 04537003 UL Listed 
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 1 & 12 Enclosure, Gasketed, Dust Resistant, Color Blue, Fibralloy Material 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
(3LBS) H 4.00" L 8.00" W 4.00" 
[Amazon] 
09/22
0 $2,101.00
59 AME-2000-1143B Ametek Gemco Geared Rotary Limit Switch 2000 
Model 2000-1143B 
20001143B YMD-11147 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
4000 to 1 Gear Ratio 
2, Independently Adjustable Switches / Circuits / Cams 
Switches 
2, Double Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O., or N.C. Circuits 
8 Screw Terminals per Switch 
Switch Part 04537003, UL Listed  
NEMA 4 Cast Aluminum Enclosure 
Weather & Water Resistant, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Ships in 4 Weeks, Peck MI 
Dated 01-2023 
(6LBS) H 3" L 8" W 5" Box
0 $2,573.00
60 AME-2000-1144B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-1144B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
4000 to 1 Gear Ratio. Cams rotates 360 degrees every 4000 revolutions of the input shaft 
2 Independently Adjustable Switches / Circuits / Cams 
Switches, 2, Double Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
8 Screw Terminals per Switch Part 04537003 UL Listed 
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 7 Cast Aluminum Enclosure for Hazardous Locations. Designed to meet the requirements of NEC code for Class 1, Group D, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
(6LBS) H 3.00" L 7.50" W 4.50" 
Dated 01-2021
0 $2,684.00
61 AME-2000-1145B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-1145B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
5333 to 1 Gear Ratio. Cams rotates 360 degrees every 5333 revolutions of the input shaft 
2 Independently Adjustable Switches / Circuits / Cams 
Switches, 2, Double Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
8 Screw Terminals per Switch Part 04537003 UL Listed 
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 1 & 12 Enclosure, Gasketed, Dust Resistant, Color Blue, Fibralloy Material 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
(3LBS) H 4.00" L 8.00" W 4.00" 
[Amazon] 
1 2020
0 $2,101.00
62 AME-2000-1146B Ametek Gemco Geared Rotary Limit Switch 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
5333 to 1 Gear Ratio 
2 Independently Adjustable Switches / Circuits / Cams 
Switches 
2, Double Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
8 Screw Terminals per Switch Part 04537003 UL Listed  
NEMA 4 Cast Aluminum Enclosure, Weatherproof, Water Resistant, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
Part AME-2000-1146B 
(6LBS) H 3" L 8" W 5" Box 
[Amazon] 
1 2020
2 $2,573.00
63 AME-2000-1147B Ametek Gemco Geared Rotary Limit Switch 
Part 2000-1147B 
20001147B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
5333 to 1 Gear Ratio 
2 Independently Adjustable Switches - Circuits - Cams 
Switches, 2, Double Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O. or N.C. Circuits 
8 Screw Terminals per Switch 
Switch Part 04537003, UL Listed 
NEMA 7 Cast Aluminum Enclosure for Hazardous Locations 
Designed to meet the requirements of NEC code for Class 1, Group D, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Ships form Stock to 2 Weeks 
Dated 01-2021 
(6LBS) H 4" L 8" W 5" Box
2 $2,684.00
64 AME-2000-114B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-114B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
10 to 1 Gear Ratio. Cams rotates 360 degrees every 10 revolutions of the input shaft 
4 Independently Adjustable Switches / Circuits / Cams 
Switches, 4, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 7 Cast Aluminum Enclosure for Hazardous Locations. Designed to meet the requirements of NEC code for Class 1, Group D, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
(6LBS) H 3.00" L 7.50" W 4.50" 
Dated 01-2021
20 $1,156.00
65 AME-2000-115B Ametek Gemco Geared Rotary Limit Switch 
Part 2000-115B 
aka 2000115B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
20 to 1 Gear Ratio 
4, Independently Adjustable Switches / Circuits / Cams 
4, S.P.D.T., Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O. or N.C. Circuits 
4 Screw Terminals per Switch 
Switch Part 04537001, UL Listed  
NEMA 7 Cast Aluminum Enclosure for Hazardous Locations 
Designed to meet the requirements of NEC code for Class 1, Group D 
Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Ships in 3 Weeks 
Dated 01-2021 
(6LBS) H 4" L 8" W 5" Box
0 $1,156.00
66 AME-2000-116B Ametek Gemco Geared Rotary Limit Switch 
Part 2000-116B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
30 to 1 Gear Ratio 
4, Independently Adjustable Switches / Circuits / Cams 
4, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
NEMA 7 Cast Aluminum Enclosure for Hazardous Locations 
Designed to meet the requirements of NEC code for Class 1, Group D, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
[Amazon] Dated 1 2020 
(6LBS) H 4" L 7" W 4" Box
0 $1,156.00
67 AME-2000-117B Ametek Gemco Geared Rotary Limit Switch 
Part 2000-271B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
100 to 1 Gear Ratio 
3, Independently Adjustable Switches / Circuits / Cams 
3, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O. or N.C. Circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
NEMA 7 Cast Aluminum Enclosure for Hazardous Locations 
Designed to meet the requirements of NEC code for Class 1, Group D 
Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
Dated 01-2021 
(6LBS) H 4" L 8" W 5" Box
0 $1,156.00
68 AME-2000-118B Ametek Gemco Geared Rotary Limit Switch 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
50 to 1 Gear Ratio. Cams rotates 360 degrees every 50 revolutions of the input shaft 
4 Independently Adjustable Switches / Circuits / Cams 
Switches, 4, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 7 Cast Aluminum Enclosure for Hazardous Locations. Designed to meet the requirements of NEC code for Class 1, Group D, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
Part AME-2000-118B 
(6LBS) H 4" L 8" W 5" Box 
Dated 01-2021
0 $1,156.00
69 AME-2000-119B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-119B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
60 to 1 Gear Ratio. Cams rotates 360 degrees every 60 revolutions of the input shaft 
4 Independently Adjustable Switches / Circuits / Cams 
Switches, 4, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 7 Cast Aluminum Enclosure for Hazardous Locations. Designed to meet the requirements of NEC code for Class 1, Group D, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
(6LBS) H 3.00" L 7.50" W 4.50" 
Dated 01-2021
0 $1,156.00
70 AME-2000-11B Ametek Gemco Geared Rotary Limit Switch 
Part 2000-11B 
200011B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
30 to 1 Gear Ratio 
2, Independent Circuits - Switches - Cams 
2, S.P.D.T. Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O. or N.C. Circuits 
4 Screw Terminals per Switch 
Switch Part 04537001, UL Listed  
NEMA 4 Cast Aluminum Enclosure, Weatherproof, Water Resistant, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Normally a Stock Item 
Ships from Stock to 3 Weeks 
Dated 09-2022 
(6LBS)
3 $847.00
71 AME-2000-120B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-120B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
80 to 1 Gear Ratio. Cams rotates 360 degrees every 80 revolutions of the input shaft 
4 Independently Adjustable Switches / Circuits / Cams 
Switches, 4, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 7 Cast Aluminum Enclosure for Hazardous Locations. Designed to meet the requirements of NEC code for Class 1, Group D, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
(6LBS) H 3.00" L 7.50" W 4.50" 
Dated 01-2021
0 $1,156.00
72 AME-2000-121B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-121B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
100 to 1 Gear Ratio. Cams rotates 360 degrees every 100 revolutions of the input shaft 
4 Independently Adjustable Switches / Circuits / Cams 
Switches, 4, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 7 Cast Aluminum Enclosure for Hazardous Locations. Designed to meet the requirements of NEC code for Class 1, Group D, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
(6LBS) H 3.00" L 7.50" W 4.50" 
Dated 01-2021
0 $1,156.00
73 AME-2000-122B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-122B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
250 to 1 Gear Ratio. Cams rotates 360 degrees every 250 revolutions of the input shaft 
4 Independently Adjustable Switches / Circuits / Cams 
Switches, 4, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 7 Cast Aluminum Enclosure for Hazardous Locations. Designed to meet the requirements of NEC code for Class 1, Group D, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
(6LBS) H 3.00" L 7.50" W 4.50" 
Dated 01-2021
0 $1,491.00
74 AME-2000-123B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-123B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
500 to 1 Gear Ratio. Cams rotates 360 degrees every 500 revolutions of the input shaft 
4 Independently Adjustable Switches / Circuits / Cams 
Switches, 4, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 7 Cast Aluminum Enclosure for Hazardous Locations. Designed to meet the requirements of NEC code for Class 1, Group D, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
(6LBS) H 3.00" L 7.50" W 4.50" 
Dated 01-2021
0 $1,491.00
75 AME-2000-124B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-124B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
1000 to 1 Gear Ratio. Cams rotates 360 degrees every 1000 revolutions of the input shaft 
4 Independently Adjustable Switches / Circuits / Cams 
Switches, 4, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 7 Cast Aluminum Enclosure for Hazardous Locations. Designed to meet the requirements of NEC code for Class 1, Group D, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
(6LBS) H 3.00" L 7.50" W 4.50" 
Dated 01-2021
0 $1,491.00
76 AME-2000-127B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-127B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
4000 to 1 Gear Ratio. Cams rotates 360 degrees every 4000 revolutions of the input shaft 
2 Independently Adjustable Switches / Circuits / Cams 
Switches, 2, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 4 Cast Aluminum Enclosure, Weatherproof, Water Resistant, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
(6LBS) H 3.00" L 7.50" W 4.50" 
Dated 01-2021
0 $1,831.00
77 AME-2000-128B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-128B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
4000 to 1 Gear Ratio. Cams rotates 360 degrees every 4000 revolutions of the input shaft 
2 Independently Adjustable Switches / Circuits / Cams 
Switches, 2, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 7 Cast Aluminum Enclosure for Hazardous Locations. Designed to meet the requirements of NEC code for Class 1, Group D, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
(6LBS) H 3.00" L 7.50" W 4.50" 
Dated 01-2021
0 $1,942.00
78 AME-2000-129B Ametek Gemco Geared Rotary Limit Switch 
Part 2000-129B 
2000129B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
150 to 1 Gear Ratio 
2, Independently Adjustable Switches / Circuits / Cams 
Switches 
2, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O. or N.C. Circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
NEMA 1 & 12 Enclosure, Gasketed, Dust Resistant, Fibralloy Material 
Color Blue 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Ships in 2 Weeks 
Dated 01-2021 
(3LBS) H 4" L 8" W 4" Box
0 $724.00
79 AME-2000-12B Ametek Gemco Geared Rotary Limit Switch 2000 
Part 2000-12B 
200012B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
40 to 1 Gear Reducer Ratio 
2, Independently Adjustable Switches / Circuits / Cams 
2, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O. or N.C. Circuits 
4 Screw Terminals per Switch, Switch Part 04537001 UL Listed  
NEMA 4 Cast Aluminum Enclosure 
Water Resistant, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Normally a Stock Item @ BPI 
Ships from Stock to 3 Weeks 
Dated 09-2022 
(6LBS) H 4" L 8" W 5" Box
0 $847.00
80 AME-2000-130B Ametek Gemco Geared Rotary Limit Switch 
Part AME-2000-130B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
300 to 1 Gear Ratio 
2, Independently Adjustable Switches / Circuits / Cams 
2, S.P.D.T., Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O. or N.C. Circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
NEMA 1 & 12 Enclosure, Gasketed, Dust Resistant, Color Blue, Fibralloy Material 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
Dated 01-2021 
(3LBS) H 4" L 8" W 4" Box
1 $724.00
81 AME-2000-131B Ametek Gemco Geared Rotary Limit Switch 
Part 2000-131B 
2000-131B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
600 to 1 Gear Ratio 
2, Independently Adjustable Switches / Circuits / Cams 
2,Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O. or N.C. Circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
NEMA 1 & 12 Enclosure, Gasketed, Dust Resistant 
Color Blue, Fibralloy Material 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temp 180 Degrees F 
Dated 09/20/22 
(4LBS) H 4" L 8" W 4" Box
0 $724.00
82 AME-2000-132B Ametek Gemco Geared Rotary Limit Switch 2000 
Part 2000-132B 
2000132B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
150 to 1 Gear Ratio 
2, Independently Adjustable Switches - Circuits - Cams 
2, S.P.D.T., Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O. or N.O. Circuits 
4 Screw Terminals per Switch 
Switch Part 04537001, UL Listed  
NEMA 4 Cast Aluminum Enclosure 
Water Resistant, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Normally a Stock Item @ BPI 
Ships from Stock to 4 Weeks 
Dated 01-2023 
(6LBS) H 3" L 8" W 5" Box
1 $1,188.00
83 AME-2000-133B Ametek Gemco Geared Rotary Limit Switch 
Part 2000-133B 
aka 2000133B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
300 to 1 Gear Ratio 
2, Independently Adjustable Switches / Circuits / Cams 
2, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O or N.C. Circuits 
4 Screw Terminals per Switch 
Switch Part 04537001, which is UL Listed  
Standard Dwell Cam of 25 Degrees 
Other Cam Dwells are available 
NEMA 4 Cast Aluminum Enclosure 
Water Resistant, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Ships in 2 Weeks 
1 2020 
(6LBS) H 4" L 8" W 5" Box
0 $1,188.00
84 AME-2000-134B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-134B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
600 to 1 Gear Ratio. Cams rotates 360 degrees every 600 revolutions of the input shaft 
2 Independently Adjustable Switches / Circuits / Cams 
Switches, 2, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 4 Cast Aluminum Enclosure, Weatherproof, Water Resistant, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
(6LBS) H 3.00" L 7.50" W 4.50" 
Dated 01-2021
0 $1,188.00
85 AME-2000-135B Ametek Gemco Geared Rotary Limit Switch 
Part 2000-135B 
2000135B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
150 to 1 Gear Ratio 
2, Independently Adjustable Switches / Circuits / Cams 
2, S.P.D.T., Single Pole Double Throw Precision Snap Action Switches 
Can be wired for N.O. or N.C. Circuits 
4 Screw Terminals per Switch, Switch Part 04537001 UL Listed  
NEMA 7 Cast Aluminum Enclosure for Hazardous Locations 
Designed to meet the requirements of NEC code for Class 1, Group D 
Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Origin USA 
Ships in 6 Weeks, Peck MI 
Dated 01-2023 
(6LBS) H 4" L 8" W 5" Box
0 $1,986.64
86 AME-2000-136B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-136B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
300 to 1 Gear Ratio. Cams rotates 360 degrees every 300 revolutions of the input shaft 
2 Independently Adjustable Switches / Circuits / Cams 
Switches, 2, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 7 Cast Aluminum Enclosure for Hazardous Locations. Designed to meet the requirements of NEC code for Class 1, Group D, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
(6LBS) H 3.00" L 7.50" W 4.50" 
[Amazon] 
Dated 1-2021
0 $1,307.00
87 AME-2000-137B Ametek Gemco Geared Rotary Limit Switch 
Part 2000-137B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
5 to 1 Gear Ratio 
2, Independently Adjustable Switches / Circuits / Cams 
2, Double Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
8 Screw Terminals per Switch Part 04537003 UL Listed 
NEMA 1 & 12 Enclosure 
Gasketed, Dust Resistant, Color Blue, Fibralloy Material 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
Stock to 4 weeks, OH 44023 
Dated 09-2022 
(3LBS) H 4" L 8" W 4" Box
1 $1,127.00
88 AME-2000-138B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-138B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
10 to 1 Gear Ratio. Cams rotates 360 degrees every 10 revolutions of the input shaft 
2 Independently Adjustable Switches / Circuits / Cams 
Switches, 2, Double Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
8 Screw Terminals per Switch Part 04537003 UL Listed 
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 1 & 12 Enclosure, Gasketed, Dust Resistant, Color Blue, Fibralloy Material 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
(3LBS) H 4.00" L 8.00" W 4.00" 
Dated 09-2022
0 $1,127.00
89 AME-2000-139B Ametek Gemco Geared Rotary Limit Switch 2000 
Part 2000-139B 
2000139B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
40 to 1 Gear Ratio 
2, Independent Circuits - Switches - Cams 
2, D.P.D.T., Double Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O. or N.C. Circuits 
8 Screw Terminals per Switch 
Switch Part 04537003, UL Listed 
NEMA 1 & 12 Enclosure, Gasketed, Dust Resistant 
Color Blue, Fibralloy Material 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Normally a Stock Item @ BPI 
Ships from Stock to 2 Weeks 
Dated 09-2022 
(3LBS) H 4" L 8" W 4" Box
2 $1,127.00
90 AME-2000-13B Ametek Gemco Geared Rotary Limit Switch 2000 
Part 2000-13B 
200013B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
50 to 1 Gear Ratio 
2, Independently Adjustable Switches / Circuits / Cams 
2, S.P.D.T., Single Pole Double Throw Precision Snap Action Switches 
Can be wired for N.O. or N.C. Circuits 
4 Screw Terminals per Switch 
Switch Part 04537001 UL Listed  
NEMA 4 Cast Aluminum Enclosure 
Water Resistant, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Ships from Stock to 3 Weeks 
Dated 01-2023 
(6LBS) H 4" L 8" W 5" Box
3 $847.00
91 AME-2000-140B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-140B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
250 to 1 Gear Ratio. Cams rotates 360 degrees every 250 revolutions of the input shaft 
2 Independently Adjustable Switches / Circuits / Cams 
Switches, 2, Double Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
8 Screw Terminals per Switch Part 04537003 UL Listed 
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 1 & 12 Enclosure, Gasketed, Dust Resistant, Color Blue, Fibralloy Material 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
(3LBS) H 4.00" L 8.00" W 4.00" 
Dated 01-2021
0 $1,466.00
92 AME-2000-141B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-141B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
500 to 1 Gear Ratio. Cams rotates 360 degrees every 500 revolutions of the input shaft 
2 Independently Adjustable Switches / Circuits / Cams 
Switches, 2, Double Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
8 Screw Terminals per Switch Part 04537003 UL Listed 
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 1 & 12 Enclosure, Gasketed, Dust Resistant, Color Blue, Fibralloy Material 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
(3LBS) H 4.00" L 8.00" W 4.00" 
Dated 01-2021
0 $1,466.00
93 AME-2000-142B Ametek Gemco Geared Rotary Limit Switch 2000  
Part 2000-142B 
2000142B 
Worm Gear Type with Bronze Gears & Steel Cams 
1000 to 1 Gear Ratio 
2, Independently Adjustable Switches / Circuits / Cams 
Switches 
2, Double Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
8 Screw Terminals per Switch Part 04537003 UL Listed 
NEMA 1 & 12 Enclosure, Gasketed, Dust Resistant 
Color Blue, Fibralloy Material 
½ Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Ships in 3 Weeks, Peck MI 
Dated 09/22 
(3LBS) H 4" L 8" W 4" Box
1 $1,466.00
94 AME-2000-143B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-143B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
600 to 1 Gear Ratio. Cams rotates 360 degrees every 600 revolutions of the input shaft 
2 Independently Adjustable Switches / Circuits / Cams 
Switches, 2, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 7 Cast Aluminum Enclosure for Hazardous Locations. Designed to meet the requirements of NEC code for Class 1, Group D, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
(6LBS) H 3.00" L 7.50" W 4.50" 
[Amazon] 
Dated 1-2021
0 $1,307.00
95 AME-2000-145B Ametek Gemco Geared Rotary Limit Switch 
Part 2000-145B 
2000145B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
5 to 1 Gear Ratio 
2, Independently Adjustable Switches / Circuits / Cams 
2, D.P.D.T. - Double Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O. or N.C. Circuits 
8 Screw Terminals per Switch 
Switch Part 04537003 UL Listed  
NEMA 4 Cast Aluminum Enclosure 
Weatherproof, Water Resistant, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Ships in 2 Weeks, Peck MI 
Dated 01-2021 
(6LBS) H 3" L 8" W 5" Box
0 $1,589.00
96 AME-2000-146B Ametek Gemco Geared Rotary Limit Switch 2000 
Part 2000-146B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
10 to 1 Gear Ratio 
2, Independently Adjustable Switches / Circuits / Cams 
2, Double Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O. or N.C. Circuits 
8 Screw Terminals per Switch 
Switch Part 04537003, UL Listed  
NEMA 4 Cast Aluminum Enclosure 
Water Resistant, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Ships in 4 Weeks, Peck MI 
Dated 01-2023 
(6LBS) H 4" L 8" W 5" Box
0 $1,589.00
97 AME-2000-147B Ametek Gemco Geared Rotary Limit Switch 2000 
Part 2000-147B 
2000147B YMD-10453 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
20 to 1 Gear Ratio 
2, Independently Adjustable Switches / Circuits / Cams 
2, DPDT, Double Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O. or N.C. Circuits 
8 Screw Terminals per Switch 
Switch Part 04537003, UL Listed  
NEMA 4 Cast Aluminum Enclosure 
Weatherproof, Water Resistant, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Normally a Stock Item @ BPI 
Ships from Stock to 3 Weeks 
Dated 01-2023 
(6LBS) H 4" L 8" W 4" Box
0 $1,589.00
98 AME-2000-148B Ametek Gemco Geared Rotary Limit Switch 
Part 2000-148B 
2000148B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
30 to 1 Gear Ratio 
2, Independently Adjustable Switches / Circuits / Cams 
2, Double Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O. or N.C. Circuits 
8 Screw Terminals per Switch 
Switch Part 04537003 
UL Listed  
NEMA 4 Cast Aluminum Enclosure 
Water Resistant, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Ships in 3 Weeks, Peck MI 
Dated 01-2023 
(6LBS) H 4" L 8" W 5" Box
0 $1,589.00
99 AME-2000-149B Ametek Gemco Geared Rotary Limit Switch 2000 
Part 2000-149B 
2000149B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
40 to 1 Gear Ratio 
2, Independently Adjustable Switches / Circuits / Cams 
2, Double Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O. or N.C. Circuits 
8 Screw Terminals per Switch 
Switch Part 04537003 which is UL Listed  
NEMA 4 Cast Aluminum Enclosure 
Water Resistant, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Ships in 3 Weeks, Peck MI 
Dated 04-2022 
(6LBS) H 12" L 10" W 8" Box
0 $1,589.00
100 AME-2000-14B Ametek Gemco Geared Rotary Limit Switch 
Part 2000-14B 
200014B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
60 to 1 Gear Ratio 
2, Independently Adjustable Switches - Circuits - Cams 
2, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O. or N.C. Circuits 
4 Screw Terminals per Switch 
Switch Part 04537001 UL Listed  
NEMA 4 Cast Aluminum Enclosure 
Water Resistant, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Normally a Stock Item @ BPI 
Ships from Stock to 3 Weeks 
Dated 01-2023 
(6LBS) H 4" L 8" W 5" Box
1 $847.00
101 AME-2000-150B Ametek Gemco Geared Rotary Limit Switch 2000 
Part 2000-150B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
50 to 1 Gear Ratio 
2 Independently Adjustable Switches / Circuits / Cams 
Switches, 2, Double Pole Double Throw Precision Snap Action Switches 
Which can be wired for N. O. or N.C. Circuits 
8 Screw Terminals per Switch, Switch Part 04537003 UL Listed  
NEMA 4 Cast Aluminum Enclosure 
Water Resistant, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Ships in 3 Weeks, Peck MI 
Dated 01-2023 
(6LBS) H 30" L 8" W 5" Box
3 $1,589.00
102 AME-2000-151B Ametek Gemco Geared Rotary Limit Switch 
Part 2000-151B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
60 to 1 Gear Ratio 
2 Independently Adjustable Switches / Circuits / Cams 
Switches, 2, Double Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
8 Screw Terminals per Switch Part 04537003 UL Listed  
NEMA 4 Cast Aluminum Enclosure, Weatherproof, Water Resistant, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
[Ships in 2 Weeks] 
Dated 1-2021
0 $1,589.00
103 AME-2000-152B Ametek Gemco Geared Rotary Limit Switch 
Part 2000-152B 
2000152B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
80 to 1 Gear Ratio 
2 Independently Adjustable Switches / Circuits / Cams 
Switches, 2, Double Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O. or N.C. Circuits 
8 Screw Terminals per Switch 
Switch Part 04537003 UL Listed  
NEMA 4 Cast Aluminum Enclosure 
Water Resistant, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Ships in 2 Weeks, Peck MI 
Dated 1-2021 
(6LBS) H 4" L 8" W 5" Box
0 $1,589.00
104 AME-2000-153B Ametek Gemco Geared Rotary Limit Switch 2000 
Part 2000-153B 
2000153B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
100 to 1 Gear Ratio 
2, Independently Adjustable Switches / Circuits / Cams 
2, Double Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O. or N.C. Circuits 
8 Screw Terminals per Switch 
Switch Part 04537003. UL Listed  
NEMA 4 Cast Aluminum Enclosure 
Water Resistant, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Ships in 6 Weeks. Peck MI 
Dated 01-2023 
(6LBS) H 4" L 8" W 5" Box
0 $1,589.00
105 AME-2000-154B Ametek Gemco Geared Rotary Limit Switch 
Part 2000-154B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
250 to 1 Gear Ratio. Cams rotates 360 degrees every 250 revolutions of the input shaft 
2 Independently Adjustable Switches / Circuits / Cams 
Switches, 2, Double Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
8 Screw Terminals per Switch Part 04537003 UL Listed  
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 4 Cast Aluminum Enclosure, Weatherproof, Water Resistant, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Ships from Stock to 2 Weeks 
Dated 10-2021 
(6LBS) H 4" L 8" W 5" Box
0 $1,930.00
106 AME-2000-155B Ametek Gemco Geared Rotary Limit Switch 
Part 2000-155B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
500 to 1 Gear Ratio 
2, Independently Adjustable Switches / Circuits / Cams 
2, Double Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O. or N.C. Circuits 
8 Screw Terminals per Switch 
Switch Part 04537003 which is UL Listed  
NEMA 4 Cast Aluminum Enclosure 
Water Resistant, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Tempersture 180 Degrees F 
Dated 1-2021 
(6LBS) H 4" L 8" W 5" Box
0 $1,930.00
107 AME-2000-156B Ametek Gemco Geared Rotary Limit Switch 
Part 2000-156B 
aka 2000156B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
1000 to 1 Gear Ratio 
2, Independently Adjustable Switches / Circuits / Cams 
2, Double Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O. or N.C. Circuits 
8 Screw Terminals per Switch 
Switch Part 04537003, UL Listed  
Standard Cam Dwell of 25 Degrees 
Other cam dwells are available 
NEMA 4 Cast Aluminum Enclosure 
Water Resistant, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Ships in 2 Weeks 
Dated 1-2021  
(6LBS) H 4" L 8" W 5" Box
0 $1,930.00
108 AME-2000-157B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-157B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
5333 to 1 Gear Ratio. Cams rotates 360 degrees every 5333 revolutions of the input shaft 
2 Independently Adjustable Switches / Circuits / Cams 
Switches, 2, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 4 Cast Aluminum Enclosure, Weatherproof, Water Resistant, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
(6LBS) H 3.00" L 7.50" W 4.50" 
Dated 01-2021
0 $1,831.00
109 AME-2000-158B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-158B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
5333 to 1 Gear Ratio. Cams rotates 360 degrees every 5333 revolutions of the input shaft 
2 Independently Adjustable Switches / Circuits / Cams 
Switches, 2, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 7 Cast Aluminum Enclosure for Hazardous Locations. Designed to meet the requirements of NEC code for Class 1, Group D, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
(6LBS) H 3.00" L 7.50" W 4.50" 
Dated 01-2021
0 $1,942.00
110 AME-2000-159B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-159B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
5 to 1 Gear Ratio. Cams rotates 360 degrees every 5 revolutions of the input shaft 
2 Independently Adjustable Switches / Circuits / Cams 
Switches, 2, Double Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
8 Screw Terminals per Switch Part 04537003 UL Listed 
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 7 Cast Aluminum Enclosure for Hazardous Locations. Designed to meet the requirements of NEC code for Class 1, Group D, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
(6LBS) H 3.00" L 7.50" W 4.50" 
Dated 01-2021
0 $1,703.00
111 AME-2000-15B Ametek Gemco Geared Rotary Limit Switch 
Part 2000-15B 
aka 200015B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
80 to 1 Gear Ratio 
2 Independently Adjustable Switches / Circuits / Cams 
Switches 
2, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O. or N.C. Circuits 
4 Screw Terminals per Switch 
Switch Part 04537001 UL Listed  
NEMA 4 Cast Aluminum Enclosure, Weatherproof, Water Resistant 
Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Ships from Stock to 2 Weeks 
Dated 01-2021 
(6LBS) H 4" L 8" W 5" Box
1 $847.00
112 AME-2000-160B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-160B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
10 to 1 Gear Ratio. Cams rotates 360 degrees every 10 revolutions of the input shaft 
2 Independently Adjustable Switches / Circuits / Cams 
Switches, 2, Double Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
8 Screw Terminals per Switch Part 04537003 UL Listed 
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 7 Cast Aluminum Enclosure for Hazardous Locations. Designed to meet the requirements of NEC code for Class 1, Group D, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
(6LBS) H 3.00" L 7.50" W 4.50" 
Dated 01-2021
0 $1,703.00
113 AME-2000-161B Ametek Gemco Geared Rotary Limit Switch 
Part AME-2000-161B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
20 to 1 Gear Ratio 
2, Independently Adjustable Switches / Circuits / Cams 
Switches 
2, Double Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
8 Screw Terminals per Switch Part 04537003 UL Listed 
NEMA 7 Cast Aluminum Enclosure for Hazardous Locations 
Designed to meet the requirements of NEC code for Class 1, Group D 
Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
[Amazon] Dated 1- 2021 
(6LBS) H 4" L 8" W 5" Box
0 $1,703.00
114 AME-2000-162B Ametek Gemco Geared Rotary Limit Switch 2000 
Part 2000-162B 
2000162B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
40 to 1 Gear Ratio 
2 Independently Adjustable Switches - Circuits - Cams 
Switches, 2, Double Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O. or N.C. Circuits 
8 Screw Terminals per Switch 
Switch Part 04537003 UL Listed 
NEMA 7 Cast Aluminum Enclosure for Hazardous Locations 
Designed to meet the requirements of NEC code for Class 1, Group D 
Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Ships in 2 Weeks, Peck MI 
Dated 1-2021 
(6LBS) H 4" L 8" W 6" Box
0 $1,703.00
115 AME-2000-163B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-163B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
50 to 1 Gear Ratio. Cams rotates 360 degrees every 50 revolutions of the input shaft 
2 Independently Adjustable Switches / Circuits / Cams 
Switches, 2, Double Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
8 Screw Terminals per Switch Part 04537003 UL Listed 
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 7 Cast Aluminum Enclosure for Hazardous Locations. Designed to meet the requirements of NEC code for Class 1, Group D, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
(6LBS) H 3.00" L 7.50" W 4.50" 
[Amazon] 
Dated 1-2021
0 $1,703.00
116 AME-2000-164B Ametek Gemco Geared Rotary Limit Switch 
Part 2000-164B 
2000164B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
60 to 1 Gear Ratio 
2, Independently Adjustable Switches / Circuits / Cams 
2, Double Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
8 Screw Terminals per Switch Part 04537003 UL Listed 
NEMA 7 Cast Aluminum Enclosure for Hazardous Locations 
Designed to meet the requirements of NEC code for Class 1, Group D 
Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
Ships in 10 Days, Peck MI 
Dated 10-2021 
(6LBS) H 4" L 8" W 5" Box
0 $1,703.00
117 AME-2000-165B Ametek Gemco Geared Rotary Limit Switch 
Part 2000-165B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
80 to 1 Gear Ratio. Cams rotates 360 degrees every 80 revolutions of the input shaft 
2 Independently Adjustable Switches / Circuits / Cams 
Switches, 2, Double Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
8 Screw Terminals per Switch Part 04537003 UL Listed 
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 7 Cast Aluminum Enclosure for Hazardous Locations. Designed to meet the requirements of NEC code for Class 1, Group D, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
[Ships in 3 Weeks] 
Dated 1-2021 
(6LBS) H 4" L 8" W 5" Box
1 $1,703.00
118 AME-2000-166B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-166B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
100 to 1 Gear Ratio. Cams rotates 360 degrees every 100 revolutions of the input shaft 
2 Independently Adjustable Switches / Circuits / Cams 
Switches, 2, Double Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
8 Screw Terminals per Switch Part 04537003 UL Listed 
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 7 Cast Aluminum Enclosure for Hazardous Locations. Designed to meet the requirements of NEC code for Class 1, Group D, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
(6LBS) H 3.00" L 7.50" W 4.50" 
[Amazon] 
Dated 1-2021
0 $1,703.00
119 AME-2000-167B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-167B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
250 to 1 Gear Ratio. Cams rotates 360 degrees every 250 revolutions of the input shaft 
2 Independently Adjustable Switches / Circuits / Cams 
Switches, 2, Double Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
8 Screw Terminals per Switch Part 04537003 UL Listed 
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 7 Cast Aluminum Enclosure for Hazardous Locations. Designed to meet the requirements of NEC code for Class 1, Group D, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
(6LBS) H 3.00" L 7.50" W 4.50" 
[Amazon] 
Dated 1-2021
4 $2,049.00
120 AME-2000-168B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-168B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
500 to 1 Gear Ratio. Cams rotates 360 degrees every 500 revolutions of the input shaft 
2 Independently Adjustable Switches / Circuits / Cams 
Switches, 2, Double Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
8 Screw Terminals per Switch Part 04537003 UL Listed 
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 7 Cast Aluminum Enclosure for Hazardous Locations. Designed to meet the requirements of NEC code for Class 1, Group D, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
(6LBS) H 3.00" L 7.50" W 4.50" 
[Amazon] 
Dated 1-2021
0 $2,049.00
121 AME-2000-169B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-169B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
1000 to 1 Gear Ratio. Cams rotates 360 degrees every 1000 revolutions of the input shaft 
2 Independently Adjustable Switches / Circuits / Cams 
Switches, 2, Double Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
8 Screw Terminals per Switch Part 04537003 UL Listed 
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 7 Cast Aluminum Enclosure for Hazardous Locations. Designed to meet the requirements of NEC code for Class 1, Group D, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
(6LBS) H 3.00" L 7.50" W 4.50" 
[Amazon] 
Dated 1-2021
0 $2,049.00
122 AME-2000-16B Ametek Gemco Geared Rotary Limit Switch 2000 
Part 2000-16B 
200016B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
100 to 1 Gear Ratio 
2, Independently Adjustable Switches - Circuits - Cams 
2, S.P.D.T., Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O. or N.C. Circuits 
4 Screw Terminals per Switch 
Switch Part 04537001, UL Listed  
NEMA 4 Cast Aluminum Enclosure, Water Resistant, suitable for outdoor service 
Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Normally a Stock Item @ BPI 
Ships from Stock to 3 Weeks 
Dated 01-2023 
(6LBS) H 4" L 8" W 5" Box
0 $847.00
123 AME-2000-170B Ametek Gemco Rotary Limit Switch, P/N: AME-2000-170B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
150 to 1 Ratio Gear Ratio, the cam block rotates once every 150 turns of the main shaft 
3 Independently Adjustable Switches/ Circuits / Cams 
Single Pole Double Throw U.L. Listed Precision Snap Action Switches which can be wired for normally open or closed circuits. 4 Screw Terminals 04537004 
Standard Cams allow switch contacts to be opened for 25 or 335 Degrees. Other cam dwells are available 
NEMA 1 & 12 Enclosure, Gasketed, Dust Resistant, Color Blue, Fibralloy Material 
Turns required to reset switch 1/2 
Maximum switch setting @ 47 turns 
Up to 1000 RPM Clock Wise or CCW 
1/2 Inch Diameter Input Shaft Extends 1 & 1/2 Inch from the Enclosure, Includes a Woodruff Keyway & # 404 Key 
Maximum Operating Temperature 180 Degrees F 
1/2 -14 American Standard Pipe Thread Entrance 
(4LBS) H 3.50" L 7.50" W 4.50" 
[Amazon] 
Dated 1-2021
0 $882.00
124 AME-2000-171B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-171B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
150 to 1 Gear Ratio. Cams rotates 360 degrees every 150 revolutions of the input shaft 
3 Independently Adjustable Switches / Circuits / Cams 
Switches, 3, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 4 Cast Aluminum Enclosure, Weatherproof, Water Resistant, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
(6LBS) H 3.00" L 7.50" W 4.50" 
Dated 01-2021
0 $1,277.00
125 AME-2000-174B Ametek Gemco Geared Rotary Limit Switch 
Part 2000-174B 
2000174B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
5 to 1 Gear Ratio 
3, Independently Adjustable Switches / Circuits / Cams 
3, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O. or N.C. Circuits 
4 Screw Terminals per Switch Part AME-04537001 UL Listed  
NEMA 1 & 12 Enclosure, Gasketed, Dust Resistant, Color Blue, Fibralloy Material 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Ships in 3 Weeks, Peck MI 
Dated 01-2024 
(3LBS) H 4" L 8" W 4" Box
1 $540.00
126 AME-2000-175B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-175B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
20 to 1 Gear Ratio. Cams rotates 360 degrees every 20 revolutions of the input shaft 
3 Independently Adjustable Switches / Circuits / Cams 
Switches, 3, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 1 & 12 Enclosure, Gasketed, Dust Resistant, Color Blue, Fibralloy Material 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
(3LBS) H 4.00" L 8.00" W 4.00" 
[Amazon] 
1 2020
1 $540.00
127 AME-2000-176B Ametek Gemco Rotary Limit Switch 2000 
Part 2000-176B 
2000176B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
20 to 1 Ratio Gear Ratio 
3, Independently Adjustable Switches/ Circuits / Cams 
3, SPDT, Single Pole Double Throw U.L. Listed Precision Snap Action Switches 
Which can be wired for N.O or N.C. Circuit 
4 Screw Terminals, Part AME-04537004 
NEMA 1 & 12 Enclosure 
Gasketed, Dust Resistant, Color Blue, Fibralloy Material 
Turns required to reset switch 1/8th 
Maximum switch setting @ 19 & 1/4 turns 
Up to 1000 RPM Clock Wise or CCW 
1/2 Inch Diameter Input Shaft 
Includes a Woodruff Keyway & # 404 Key 
Maximum Operating Temperature 180 Degrees F 
1/2 -14 American Standard Pipe Thread Entrance 
Ships in 6 Weeks, Peck MI 
Dated 01-2023 
(4LBS) H 4" L 8" W 4" Box
0 $540.00
128 AME-2000-177B Ametek Gemco Geared Rotary Limit Switch 2000 
Part 2000-177B 
2000177B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
30 to 1 Gear Ratio 
3 Independently Adjustable Switches / Circuits / Cams 
Switches, 3, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O. or N.C. Circuits 
4 Screw Terminals per Switch 
Switch Part 04537001 UL Listed  
NEMA 1 & 12 Enclosure, Gasketed, Dust Resistant 
Color Blue, Fibralloy Material 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperture 180 Degrees F 
Ships in 3 to 4 Weeks, Peck MI 
Dated 01-2023 
(3LBS) H 4" L 8" W 4" Box
0 $540.00
129 AME-2000-178B Ametek Gemco Geared Rotary Limit Switch 2000 
Part 2000-178B 
2000-178B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
40 to 1 Gear Ratio 
3 Independently Adjustable Switches / Circuits / Cams 
Switches 
3, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O. or N.C. Circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
NEMA 1 & 12 Enclosure, Gasketed, Dust Resistant 
Color Blue, Fibralloy Material 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Ships in 3 Weeks, Peck MI 
Dated 04-2022 
(3LBS) H 4" L 8" W 4" Box
0 $540.00
130 AME-2000-179B Ametek Gemco Geared Rotary Limit Switch 
Part 2000-179B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
50 to 1 Gear Ratio 
3 Independently Adjustable Switches - Circuits - Cams 
3 S.P.D.T. Switches Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O. or N.C. Circuits 
4 Screw Terminals per Switch 
Switch Part 04537001, UL Listed  
NEMA 1 & 12 Enclosure, Gasketed, Dust Resistant 
Color Blue, Fibralloy Material 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Ship in 2 Weeks 
Dated 1-2021 
(3LBS) H 4" L 8" W 4" Box
2 $540.00
131 AME-2000-17B Ametek Gemco Geared Rotary Limit Switch 
Part 2000-17B 
aka 200017B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
5 to 1 Gear Ratio 
2 Independently Adjustable Switches / Circuits / Cams 
Switches, 2, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O. or N.C. Circuits 
4 Screw Terminals per Switch, Switch Part 04537001 UL Listed  
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 7 Cast Aluminum Enclosure for Hazardous Locations 
Designed to meet the requirements of NEC code for Class 1, Group D, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Ships in 3 Weeks 
Dated 01-2021 
(6LBS) H 4" L 8" W 5" Box
0 $961.00
132 AME-2000-180B Ametek Gemco Rotary Limit Switch 
Part 2000-180B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
60 to 1 Ratio Gear Ratio 
3 Independently Adjustable Switches/ Circuits / Cams 
Single Pole Double Throw U.L. Listed Precision Snap Action Switches 
Which can be wired for N.O. or N.C. Circuits 
4 Screw Terminals, Switch Part 04537004 
NEMA 1 & 12 Enclosure, Gasketed, Dust Resistant 
Color Blue, Fibralloy Material 
Turns required to reset switch 1/2 
Maximum switch setting @ 47 turns 
Up to 1000 RPM Clock Wise or CCW 
1/2 Inch Diameter Input Shaft  
Includes a Woodruff Keyway & # 404 Key 
Maximum Operating Temperature 180 Degrees F 
1/2 -14 American Standard Pipe Thread Entrance 
Ships in 3 Weeks, Peck MI 
Dated 10-2021 
(4LBS) H 4" L 8" W 5" Box
0 $540.00
133 AME-2000-181B Ametek Gemco Rotary Limit Switch 
Part 2000-181B 
2000181B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
80 to 1 Ratio Gear Ratio 
3 Independently Adjustable Switches - Circuits - Cams 
Single Pole Double Throw U.L. Listed Precision Snap Action Switches 
Which can be wired for N.O. or N.C. Circuits 
4 Screw Terminals 
Switch Part 04537004, UL Listed 
NEMA 1 & 12 Enclosure, Gasketed, Dust Resistant, Color Blue 
Turns required to reset switch 1/2 
Maximum switch setting @ 47 turns 
Up to 1000 RPM Clock Wise or CCW 
1/2 Inch Diameter Input Shaft 
Includes a Woodruff Keyway & # 404 Key 
Maximum Operating Temperature 180 Degrees F 
1/2 -14 American Standard Pipe Thread Entrance 
Ships in 2 Weeks 
Dated 1-2021 
(4LBS) H 4" L 8" W 5" Box
1 $540.00
134 AME-2000-182B Ametek Gemco Rotary Limit Switch, P/N: AME-2000-182B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
100 to 1 Ratio Gear Ratio, the cam block rotates once every 100 turns of the main shaft 
3 Independently Adjustable Switches/ Circuits / Cams 
Single Pole Double Throw U.L. Listed Precision Snap Action Switches which can be wired for normally open or closed circuits. 4 Screw Terminals 04537004 
Standard Cams allow switch contacts to be opened for 25 or 335 Degrees. Other cam dwells are available 
NEMA 1 & 12 Enclosure, Gasketed, Dust Resistant, Color Blue, Fibralloy Material 
Turns required to reset switch 1/2 
Maximum switch setting @ 47 turns 
Up to 1000 RPM Clock Wise or CCW 
1/2 Inch Diameter Input Shaft Extends 1 & 1/2 Inch from the Enclosure, Includes a Woodruff Keyway & # 404 Key 
Maximum Operating Temperature 180 Degrees F 
1/2 -14 American Standard Pipe Thread Entrance 
(4LBS) H 3.50" L 7.50" W 4.50" 
[Amazon] 
Dated 1-2021
0 $540.00
135 AME-2000-183B Ametek Gemco Rotary Limit Switch, P/N: AME-2000-183B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
250 to 1 Ratio Gear Ratio, the cam block rotates once every 250 turns of the main shaft 
3 Independently Adjustable Switches/ Circuits / Cams 
Single Pole Double Throw U.L. Listed Precision Snap Action Switches which can be wired for normally open or closed circuits. 4 Screw Terminals 04537004 
Standard Cams allow switch contacts to be opened for 25 or 335 Degrees. Other cam dwells are available 
NEMA 1 & 12 Enclosure, Gasketed, Dust Resistant, Color Blue, Fibralloy Material 
Turns required to reset switch 1/2 
Maximum switch setting @ 47 turns 
Up to 1000 RPM Clock Wise or CCW 
1/2 Inch Diameter Input Shaft Extends 1 & 1/2 Inch from the Enclosure, Includes a Woodruff Keyway & # 404 Key 
Maximum Operating Temperature 180 Degrees F 
1/2 -14 American Standard Pipe Thread Entrance 
(4LBS) H 3.50" L 7.50" W 4.50" 
[Amazon] 
Dtaed 1-2021
0 $882.00
136 AME-2000-184B Ametek Gemco Rotary Limit Switch, P/N: AME-2000-184B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
500 to 1 Ratio Gear Ratio, the cam block rotates once every 500 turns of the main shaft 
3 Independently Adjustable Switches/ Circuits / Cams 
Single Pole Double Throw U.L. Listed Precision Snap Action Switches which can be wired for normally open or closed circuits. 4 Screw Terminals 04537004 
Standard Cams allow switch contacts to be opened for 25 or 335 Degrees. Other cam dwells are available 
NEMA 1 & 12 Enclosure, Gasketed, Dust Resistant, Color Blue, Fibralloy Material 
Turns required to reset switch 1/2 
Maximum switch setting @ 47 turns 
Up to 1000 RPM Clock Wise or CCW 
1/2 Inch Diameter Input Shaft Extends 1 & 1/2 Inch from the Enclosure, Includes a Woodruff Keyway & # 404 Key 
Maximum Operating Temperature 180 Degrees F 
1/2 -14 American Standard Pipe Thread Entrance 
(4LBS) H 3.50" L 7.50" W 4.50" 
[Amazon] 
Dated 1-2021
0 $882.00
137 AME-2000-185B Ametek Gemco Rotary Limit Switch, P/N: AME-2000-185B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
1000 to 1 Ratio Gear Ratio, the cam block rotates once every 1000 turns of the main shaft 
3 Independently Adjustable Switches/ Circuits / Cams 
Single Pole Double Throw U.L. Listed Precision Snap Action Switches which can be wired for normally open or closed circuits. 4 Screw Terminals 04537004 
Standard Cams allow switch contacts to be opened for 25 or 335 Degrees. Other cam dwells are available 
NEMA 1 & 12 Enclosure, Gasketed, Dust Resistant, Color Blue, Fibralloy Material 
Turns required to reset switch 1/2 
Maximum switch setting @ 47 turns 
Up to 1000 RPM Clock Wise or CCW 
1/2 Inch Diameter Input Shaft Extends 1 & 1/2 Inch from the Enclosure, Includes a Woodruff Keyway & # 404 Key 
Maximum Operating Temperature 180 Degrees F 
1/2 -14 American Standard Pipe Thread Entrance 
(4LBS) H 3.50" L 7.50" W 4.50" 
[Amazon] 
Dated 1-2021
0 $882.00
138 AME-2000-186B Ametek Gemco Geared Rotary Limit Switch 
Part 2000-186B 
2000186B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
150 to 1 Gear Ratio 
3 Independently Adjustable Switches - Circuits - Cams 
Switches, 3, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O. or N.C. Circuits 
4 Screw Terminals per Switch 
Switch Part 04537001 is UL Listed  
NEMA 7 Cast Aluminum Enclosure for Hazardous Locations 
Designed to meet the requirements of NEC code for Class 1, Group D, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Ships in 2 Weeks 
Dated 01-2020 
(6LBS) H 4" L 8" W 5" Box
0 $1,398.00
139 AME-2000-187B Ametek Gemco Rotary Limit Switch 
Part 2000-187B 
aka 2000187B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
300 to 1 Ratio Gear Ratio 
3 Independently Adjustable Switches/ Circuits / Cams 
Single Pole Double Throw U.L. Listed Precision Snap Action Switches 
Which can be wired for N.O. or N.C. Circuits 
4 Screw Terminals, Switch Part 04537004 
NEMA 1 & 12 Enclosure, Gasketed, Dust Resistant, Color Blue, Fibralloy Material 
1/2 Inch Diameter Input Shaft Extends 1 & 1/2 Inch from the Enclosure 
Includes a Woodruff Keyway & # 404 Key 
Maximum Operating Temperature 180 Degrees F 
1/2 -14 American Standard Pipe Thread Entrance 
Ships in 2 Weeks 
Dated 1-2021 
(4LBS) H 4" L 8" W 5" Box
0 $882.00
140 AME-2000-188B Ametek Gemco Geared Rotary Limit Switch 2000 
Part 2000-188B 
2000188B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
5 to 1 Gear Ratio 
3 Independently Adjustable Switches / Circuits / Cams 
3 Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
NEMA 4 Cast Aluminum Enclosure, Weatherproof, Water Resistant, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temp 180 Degrees F 
Ships in 3 Weeks, Peck MI 
Dated 01-2023 
(6LBS) H 3" L 8" W 5" Box
0 $934.00
141 AME-2000-189B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-189B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
10 to 1 Gear Ratio. Cams rotates 360 degrees every 10 revolutions of the input shaft 
3 Independently Adjustable Switches / Circuits / Cams 
Switches, 3, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 4 Cast Aluminum Enclosure, Weatherproof, Water Resistant, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
(6LBS) H 3.00" L 7.50" W 4.50" 
[Amazon] 
Dated 1-2021
0 $934.00
142 AME-2000-18B Ametek Gemco Geared Rotary Limit Switch 2000 
Part 2000-18B 
200018B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
20 to 1 Gear Ratio 
2, Independent Circuits - Switches - Cams 
2, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O. or N.C. Circuits 
4 Screw Terminals per Switch 
Switch Part 04537001, UL Listed  
NEMA 7 Cast Aluminum Enclosure for Hazardous Locations 
Designed to meet the requirements of NEC code for Class 1, Group D 
Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Ships in 6 Weeks, Peck MI 
Dated 06-2022 
(6LBS) H 4" L 8" W 6" Box
0 $961.00
143 AME-2000-190B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-190B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
20 to 1 Gear Ratio. Cams rotates 360 degrees every 20 revolutions of the input shaft 
3 Independently Adjustable Switches / Circuits / Cams 
Switches, 3, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 4 Cast Aluminum Enclosure, Weatherproof, Water Resistant, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
(6LBS) H 3.00" L 7.50" W 4.50" 
Dated 1-2021
0 $934.00
144 AME-2000-190BS Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-190BS 
Series 2000 Worm Gear Type with a 304 Stainless Steel Main shaft & Bronze Gears & Steel Cams 
20 to 1 Gear Ratio. Cams rotates 360 degrees every 20 revolutions of the input shaft 
3 Independently Adjustable Switches / Circuits / Cams 
Switches, 3, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 4 Cast Aluminum Enclosure, Weatherproof, Water Resistant, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
(6LBS) H 3.00" L 7.50" W 4.50" 
[Amazon]
0 $1,136.84
145 AME-2000-191B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-191B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
30 to 1 Gear Ratio. Cams rotates 360 degrees every 30 revolutions of the input shaft 
3 Independently Adjustable Switches / Circuits / Cams 
Switches, 3, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 4 Cast Aluminum Enclosure, Weatherproof, Water Resistant, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
(6LBS) H 3.00" L 7.50" W 4.50" 
[Amazon] 
Dated 1-2021
1 $934.00
146 AME-2000-192B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-192B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
40 to 1 Gear Ratio. Cams rotates 360 degrees every 40 revolutions of the input shaft 
3 Independently Adjustable Switches / Circuits / Cams 
Switches, 3, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 4 Cast Aluminum Enclosure, Weatherproof, Water Resistant, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
(6LBS) H 3.00" L 7.50" W 4.50" 
[Amazon] 
Dated 1-2021
0 $934.00
147 AME-2000-193B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-193B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
50 to 1 Gear Ratio. Cams rotates 360 degrees every 50 revolutions of the input shaft 
3 Independently Adjustable Switches / Circuits / Cams 
Switches, 3, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 4 Cast Aluminum Enclosure, Weatherproof, Water Resistant, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
(6LBS) H 3.00" L 7.50" W 4.50" 
Dated 01-2021
0 $934.00
148 AME-2000-194B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-194B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
60 to 1 Gear Ratio. Cams rotates 360 degrees every 60 revolutions of the input shaft 
3 Independently Adjustable Switches / Circuits / Cams 
Switches, 3, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 4 Cast Aluminum Enclosure, Weatherproof, Water Resistant, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
(6LBS) H 3.00" L 7.50" W 4.50" 
Dated 01-2021
0 $934.00
149 AME-2000-195B Ametek Gemco Geared Rotary Limit Switch 
Part 2000-195B 
aka 2000195B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
80 to 1 Gear Ratio 
3, Independently Adjustable Switches / Circuits / Cams 
3, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for N. O. or N.C. Circuits 
4 Screw Terminals per Switch 
Switch Part 04537001, UL Listed  
NEMA 4 Cast Aluminum Enclosure 
Weatherproof, Water Resistant, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Ships in 2 Weeks, Peck MI 
Dated 01-2021 
(6LBS) H 4" L 8" W 5" Box
0 $934.00
150 AME-2000-196B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-196B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
100 to 1 Gear Ratio. Cams rotates 360 degrees every 100 revolutions of the input shaft 
3 Independently Adjustable Switches / Circuits / Cams 
Switches, 3, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 4 Cast Aluminum Enclosure, Weatherproof, Water Resistant, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
(6LBS) H 3.00" L 7.50" W 4.50" 
Dated 01-2021
0 $934.00
151 AME-2000-197B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-197B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
250 to 1 Gear Ratio. Cams rotates 360 degrees every 250 revolutions of the input shaft 
3 Independently Adjustable Switches / Circuits / Cams 
Switches, 3, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 4 Cast Aluminum Enclosure, Weatherproof, Water Resistant, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
(6LBS) H 3.00" L 7.50" W 4.50" 
Dated 01-2021
1 $1,277.00
152 AME-2000-198B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-198B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
500 to 1 Gear Ratio. Cams rotates 360 degrees every 500 revolutions of the input shaft 
3 Independently Adjustable Switches / Circuits / Cams 
Switches, 3, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 4 Cast Aluminum Enclosure, Weatherproof, Water Resistant, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
(6LBS) H 3.00" L 7.50" W 4.50" 
Dated 01-2021
0 $1,277.00
153 AME-2000-199B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-199B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
1000 to 1 Gear Ratio. Cams rotates 360 degrees every 1000 revolutions of the input shaft 
3 Independently Adjustable Switches / Circuits / Cams 
Switches, 3, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 4 Cast Aluminum Enclosure, Weatherproof, Water Resistant, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
(6LBS) H 3.00" L 7.50" W 4.50" 
Dated 01-2021
0 $1,277.00
154 AME-2000-19B Ametek Gemco Geared Rotary Limit Switch 
Part 2000-19B 
200019B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
30 to 1 Gear Ratio 
2, Independently Adjustable Switches / Circuits / Cams 
2, S.P.D.T., Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O. or N.C. Circuits 
4 Screw Terminals per Switch 
Switch Part 04537001, UL Listed  
NEMA 7 Cast Aluminum Enclosure for Hazardous Locations 
Designed to meet the requirements of NEC code for Class 1, Group D, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Ships in 4 Weeks, Peck MI 
Dated 01-2023 
(6LBS) H 4" L 8" W 5" Box
0 $961.00
155 AME-2000-1B Ametek Gemco Geared Rotary Limit Switch 
Part 2000-1B 
20001B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
5 to 1 Gear Ratio 
2, Independently Adjustable Switches / Circuits / Cams 
2, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O. or N.C. Circuits 
4 Screw Terminals per Switch, Switch Part 04537001 UL Listed  
Switch Part 04537001  
NEMA 1 & 12 Enclosure, Gasketed, Dust Resistant, Color Blue, Fibralloy Material 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Normally a Stock Item @ BPI 
Ships from Stock to 3 Weeks 
Dated 10-2022 
(3LBS) H 4" L 8" W 4" Box
8 $385.00
156 AME-2000-20B Ametek Gemco Geared Rotary Limit Switch 2000 
Part 2000-20B 
200020B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
40 to 1 Gear Ratio 
2, Independently Adjustable Switches / Circuits / Cams 
2, S.P.D.T., Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O. or N.C. Circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
NEMA 7 Cast Aluminum Enclosure for Hazardous Locations 
Designed to meet the requirements of NEC code for Class 1, Group D 
Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Ships in 4 Weeks, Peck MI 
Dated 06-2022 
(6LBS) H 4" L 8" W 4" Box
0 $961.00
157 AME-2000-21B Ametek Gemco Geared Rotary Limit Switch 2000 
Part 2000-21B 
200021B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
50 to 1 Gear Ratio 
2, Independently Adjustable Switches / Circuits / Cams 
2, S.P.D.T., Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O. or N.C. Circuits 
4 Screw Terminals per Switch 
Switch Part 04537001 UL Listed  
NEMA 7 Cast Aluminum Enclosure for Hazardous Locations 
Designed to meet the requirements of NEC code for Class 1, Group D 
Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Ships in 3 Weeks 
Dated 1-2024 
(6LBS) H 4" L 8" W 5" Box
0 $961.00
158 AME-2000-22B Ametek Gemco Geared Rotary Limit Switch 2000 
Part 2000-22B 
200022B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
60 to 1 Gear Ratio 
2, Independently Adjustable Switches / Circuits / Cams 
2, S.P.D.T., Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O. or N.C. Circuits 
4 Screw Terminals per Switch, Switch Part 04537001, UL Listed  
NEMA 7 Cast Aluminum Enclosure for Hazardous Locations 
Designed to meet the requirements of NEC code for Class 1, Group D 
Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Ships in 3 Weeks, Peck MI 
Dated 01-2024 
(6LBS) H 4" L 8" W 5" Box
0 $961.00
159 AME-2000-23B Ametek Gemco Geared Rotary Limit Switch 2000 
Part 2000-23B 
200023B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
80 to 1 Gear Ratio 
2, Independently Adjustable Switches - Circuits - Cams 
2, S.P.D.T., Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O. or N.C. Circuits 
4 Screw Terminals per Switch 
Switch Part 04537001, UL Listed  
NEMA 7 Cast Aluminum Enclosure for Hazardous Locations 
Designed to meet the requirements of NEC code for Class 1, Group D 
Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Ships in 6 Weeks, Peck MI 
Dated 01-2023 
(6LBS) H 4" L 8" W 5" Box
0 $961.00
160 AME-2000-24B Ametek Gemco Geared Rotary Limit Switch 2000 
Part 2000-24B 
200024B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
100 to 1 Gear Ratio 
2, Independently Adjustable Switches / Circuits / Cams 
2, S.P.D.T, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O. or N.C. Circuits 
4 Screw Terminals per Switch 
Switch Part 04537001, UL Listed  
NEMA 7 Cast Aluminum Enclosure for Hazardous Locations 
Designed to meet the requirements of NEC Code for Class 1, Group D, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Ships in 3 Weeks, Peck MI 
Dated 01-2023 
(6LBS) H 4" L 8" W 5" Box
0 $961.00
161 AME-2000-25B Ametek Gemco Geared Rotary Limit Switch 2000 
Part 2000-25B 
200025B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
20 to 1 Gear Ratio 
2, Independently Adjustable Switches / Circuits / Cams 
2, D.P.D.T., Double Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O. or N.C. Circuits 
8 Screw Terminals per Switch 
Switch Part 04537003, UL Listed 
NEMA 1 & 12 Enclosure, Gasketed, Dust Resistant 
Color Blue, Fibralloy Material 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Ships in 10 Days, Peck MI 
Dated 09-2022 
(3LBS) H 4" L 8" W 4" Box
5 $1,127.00
162 AME-2000-263B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-263B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
5 to 1 Gear Ratio. Cams rotates 360 degrees every 5 revolutions of the input shaft 
3 Independently Adjustable Switches / Circuits / Cams 
Switches, 3, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 7 Cast Aluminum Enclosure for Hazardous Locations. Designed to meet the requirements of NEC code for Class 1, Group D, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
(6LBS) H 3.00" L 7.50" W 4.50" 
Dated 01-2021
0 $1,066.00
163 AME-2000-264B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-264B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
10 to 1 Gear Ratio. Cams rotates 360 degrees every 10 revolutions of the input shaft 
3 Independently Adjustable Switches / Circuits / Cams 
Switches, 3, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 7 Cast Aluminum Enclosure for Hazardous Locations. Designed to meet the requirements of NEC code for Class 1, Group D, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
(6LBS) H 3.00" L 7.50" W 4.50" 
Dated 01-2021
0 $1,066.00
164 AME-2000-265B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-265B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
20 to 1 Gear Ratio. Cams rotates 360 degrees every 20 revolutions of the input shaft 
3 Independently Adjustable Switches / Circuits / Cams 
Switches, 3, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 7 Cast Aluminum Enclosure for Hazardous Locations. Designed to meet the requirements of NEC code for Class 1, Group D, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
(6LBS) H 3.00" L 7.50" W 4.50" 
Dated 01-2021
0 $1,066.00
165 AME-2000-266B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-266B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
30 to 1 Gear Ratio. Cams rotates 360 degrees every 30 revolutions of the input shaft 
3 Independently Adjustable Switches / Circuits / Cams 
Switches, 3, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 7 Cast Aluminum Enclosure for Hazardous Locations. Designed to meet the requirements of NEC code for Class 1, Group D, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
(6LBS) H 3.00" L 7.50" W 4.50" 
Dated 01-2021
0 $1,066.00
166 AME-2000-267B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-267B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
40 to 1 Gear Ratio. Cams rotates 360 degrees every 40 revolutions of the input shaft 
3 Independently Adjustable Switches / Circuits / Cams 
Switches, 3, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 7 Cast Aluminum Enclosure for Hazardous Locations. Designed to meet the requirements of NEC code for Class 1, Group D, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
(6LBS) H 3.00" L 7.50" W 4.50" 
Dated 01-2021
0 $1,066.00
167 AME-2000-268B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-268B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
50 to 1 Gear Ratio. Cams rotates 360 degrees every 50 revolutions of the input shaft 
3 Independently Adjustable Switches / Circuits / Cams 
Switches, 3, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 7 Cast Aluminum Enclosure for Hazardous Locations. Designed to meet the requirements of NEC code for Class 1, Group D, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
(6LBS) H 3.00" L 7.50" W 4.50" 
Dated 01-2021
0 $1,066.00
168 AME-2000-269B Ametek Gemco Geared Rotary Limit Switch 
Part AME-2000-269B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
60 to 1 Gear Ratio 
3 Independently Adjustable Switches / Circuits / Cams 
Switches, 3, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
NEMA 7 Cast Aluminum Enclosure for Hazardous Locations 
Designed to meet the requirements of NEC code for Class 1, Group D, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
Dated 01-2021 
(6LBS) H 4" L 8" W 5" Box
0 $1,066.00
169 AME-2000-270B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-270B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
80 to 1 Gear Ratio. Cams rotates 360 degrees every 80 revolutions of the input shaft 
3 Independently Adjustable Switches / Circuits / Cams 
Switches, 3, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 7 Cast Aluminum Enclosure for Hazardous Locations. Designed to meet the requirements of NEC code for Class 1, Group D, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
(6LBS) H 3.00" L 7.50" W 4.50" 
Dated 01-2021
0 $1,066.00
170 AME-2000-271B Ametek Gemco Geared Rotary Limit Switch 
Part 2000-271B 
aka 2000271B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
100 to 1 Gear Ratio 
3, Independently Adjustable Switches / Circuits / Cams 
3, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O. or N.C. Circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
NEMA 7 Cast Aluminum Enclosure for Hazardous Locations 
Designed to meet the requirements of NEC code for Class 1, Group D 
Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Ships in 2 Weeks, Peck MI 
Dated 01-2021
0 $1,066.00
171 AME-2000-272B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-272B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
250 to 1 Gear Ratio. Cams rotates 360 degrees every 250 revolutions of the input shaft 
3 Independently Adjustable Switches / Circuits / Cams 
Switches, 3, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 7 Cast Aluminum Enclosure for Hazardous Locations. Designed to meet the requirements of NEC code for Class 1, Group D, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
(6LBS) H 3.00" L 7.50" W 4.50" 
Dated 01-2021
0 $1,398.00
172 AME-2000-273B Ametek Gemco Geared Rotary Limit Switch 
Part 2000-273B 
aka 2000273B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
500 to 1 Gear Ratio 
3 Independently Adjustable Switches / Circuits / Cams 
Switches, 3, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O. or N.C. Circuits 
4 Screw Terminals per Switch, Switch Part 04537001 UL Listed  
NEMA 7 Cast Aluminum Enclosure for Hazardous Locations 
Designed to meet the requirements of: 
NEC code for Class 1, Group D 
Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Ships in 2 to 3 Weeks 
Dated 01-2021 
(6LBS) H 3" L 8" W 5" Box
0 $1,398.00
173 AME-2000-274B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-274B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
1000 to 1 Gear Ratio. Cams rotates 360 degrees every 1000 revolutions of the input shaft 
3 Independently Adjustable Switches / Circuits / Cams 
Switches, 3, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 7 Cast Aluminum Enclosure for Hazardous Locations. Designed to meet the requirements of NEC code for Class 1, Group D, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
(6LBS) H 3.00" L 7.50" W 4.50" 
Dated 01-2021
0 $1,398.00
174 AME-2000-279B Ametek Gemco Geared Rotary Limit Switch 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
4000 to 1 Gear Ratio 
2 Independently Adjustable Switches / Circuits / Cams 
Switches 
2, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
NEMA 1 & 12 Enclosure, Gasketed, Dust Resistant, Color Blue, Fibralloy Material 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
Part AME-2000-279B 
(3LBS) H 4" L 8" W 4" Box 
Dated 09/20/22
0 $1,359.00
175 AME-2000-281B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-281B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
5333 to 1 Gear Ratio. Cams rotates 360 degrees every 5333 revolutions of the input shaft 
2 Independently Adjustable Switches / Circuits / Cams 
Switches, 2, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 1 & 12 Enclosure, Gasketed, Dust Resistant, Color Blue, Fibralloy Material 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
(3LBS) H 4.00" L 8.00" W 4.00" 
Dated 09-2022
0 $1,359.00
176 AME-2000-28B Ametek Gemco Geared Rotary Limit Switch 
Part 2000-28B 
200028B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
250 to 1 Gear Ratio 
2, Independently Adjustable Switches - Circuits - Cams 
2, S.P.D.T., Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O. or N.C. Circuits 
4 Screw Terminals per Switch, Switch Part 04537001, UL Listed  
NEMA 1 & 12 Enclosure, Gasketed, Dust Resistant 
Color Blue, Fibralloy Material 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Ships in 3 Weeks, Peck MI 
Dated 10-2021 
(3LBS) H 4" L 8" W 4" Box
0 $724.00
177 AME-2000-291B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-291B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
2000 to 1 Gear Ratio. Cams rotates 360 degrees every 2000 revolutions of the input shaft 
2 Independently Adjustable Switches / Circuits / Cams 
Switches, 2, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 7 Cast Aluminum Enclosure for Hazardous Locations. Designed to meet the requirements of NEC code for Class 1, Group D, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
Dated 01-2021 
(6LBS) H 3.00" L 7.50" W 4.50"
0 $1,942.00
178 AME-2000-292B Ametek Gemco Geared Rotary Limit Switch 
Part 2000-292B 
aka 2000292B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
2000 to 1 Gear Ratio 
2, Independently Adjustable Switches / Circuits / Cams 
2, S.P.D.T., Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O. or N.C. Circuits 
4 Screw Terminals per Switch 
Switch Part 04537001, UL Listed  
NEMA 1 & 12 Enclosure, Gasketed, Dust Resistant 
Color Blue, Fibralloy Material 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Dated 1-2021 
(3LBS) H 4" L 8" W 4" Box
0 $1,359.00
179 AME-2000-299B Ametek Gemco Geared Rotary Limit Switch 2000 
Part 2000-299B 
2000299B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
2000 to 1 Gear Ratio 
2, Independently Adjustable Switches / Circuits / Cams 
2, S.P.D.T., Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O. or N.C. Circuits 
4 Screw Terminals per Switch 
Switch Part 04537001, UL Listed  
NEMA 4 Cast Aluminum Enclosure, Water Resistant, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Ships in 3 to 4 Weeks, Peck MI 
Dated 05-2022 
(6LBS) H 4" L 8" W 5" Box
0 $1,831.00
180 AME-2000-29B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-29B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
500 to 1 Gear Ratio. Cams rotates 360 degrees every 500 revolutions of the input shaft 
2 Independently Adjustable Switches / Circuits / Cams 
Switches, 2, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part Ametek Gemco Geared Rotary Limit Switch 
Part AME-2000-29B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
500 to 1 Gear Ratio 
2, Independently Adjustable Switches / Circuits / Cams 
2, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O or N.C. Circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
NEMA 1 & 12 Enclosure, Gasketed, Dust Resistant, Color Blue, Fibralloy Material 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
[Amazon]  
(3LBS) H 4" L 8" W 4" Box 
Dated 09/20/22
2 $724.00
181 AME-2000-2B Ametek Gemco Geared Rotary Limit Switch 
Part 2000-2B 
20002B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
20 to 1 Gear Ratio 
2, Independently Adjustable Switches / Circuits / Cams 
2, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O. or N.C. Circuits 
4 Screw Terminals per Switch, Switch Part 04537001 UL Listed  
NEMA 1 & 12 Enclosure, Gasketed, Dust Resistant, Color Blue, Fibralloy Material 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Normally a Stock Item @ BPI 
Ships from Stock to 2 Weeks 
Dated 01-2023 
(3LBS) H 4" L 8" W 4" Box
5 $385.00
182 AME-2000-300B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-300B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
300 to 1 Gear Ratio. Cams rotates 360 degrees every 300 revolutions of the input shaft 
3 Independently Adjustable Switches / Circuits / Cams 
Switches, 3, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 4 Cast Aluminum Enclosure, Water Resistant, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
(6LBS) H 3.00" L 7.50" W 4.50" 
[Amazon] 
1 2020
0 $1,277.00
183 AME-2000-301B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-301B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
300 to 1 Gear Ratio. Cams rotates 360 degrees every 300 revolutions of the input shaft 
3 Independently Adjustable Switches / Circuits / Cams 
Switches, 3, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 7 Cast Aluminum Enclosure for Hazardous Locations. Designed to meet the requirements of NEC code for Class 1, Group D, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
(6LBS) H 3.00" L 7.50" W 4.50" 
Dated 01-2021
0 $1,398.00
184 AME-2000-30B Ametek Gemco Geared Rotary Limit Switch 2000 
Part 2000-30B 
200030B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
1000 to 1 Gear Ratio 
2, Independently Adjustable Switches - Circuits - Cams 
2, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.C. or N.O. Circuits 
4 Screw Terminals per Switch 
Switch Part 04537001 UL Listed  
NEMA 1 & 12 Enclosure 
Gasketed, Dust Resistant, Color Blue, Fibralloy Material 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Ships in 4 Weeks, Peck MI 
Dated 01-2023 
(3LBS) H 4" L 8" W 4" Box
1 $724.00
185 AME-2000-31B Ametek Gemco Geared Rotary Limit Switch 2000 
Part 2000-31B 
200031B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
250 to 1 Gear Ratio 
2. Independently Adjustable Switches / Circuits / Cams 
2, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O. or N.C. Circuits 
4 Screw Terminals per Switch 
Switch Part 04537001 UL Listed  
Standard 25 Degree Dwell Cams 
Other Cam Dwells are available 
NEMA 4 Cast Aluminum Enclosure 
Water Resistant, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Ships in 3 Weeks, Peck MI 
Dated 01-2024 
(6LBS) H 4" L 8" W 5" Box
0 $1,188.00
186 AME-2000-32B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-32B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
500 to 1 Gear Ratio. Cams rotates 360 degrees every 500 revolutions of the input shaft 
2 Independently Adjustable Switches / Circuits / Cams 
Switches, 2, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 4 Cast Aluminum Enclosure, Weatherproof, Water Resistant, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
Dated 01-2021 
(6LBS) H 3.00" L 7.50" W 4.50"
0 $1,188.00
187 AME-2000-33B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-33B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
1000 to 1 Gear Ratio. Cams rotates 360 degrees every 1000 revolutions of the input shaft 
2 Independently Adjustable Switches / Circuits / Cams 
Switches, 2, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 4 Cast Aluminum Enclosure, Water Resistant, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
(6LBS) H 3.00" L 7.50" W 4.50"Dated Dated 01-2021
0 $1,188.00
188 AME-2000-34B Ametek Gemco Geared Rotary Limit Switch 
Part 2000-34B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
250 to 1 Gear Ratio 
2, Independently Adjustable Switches / Circuits / Cams 
2, S.P.D.T., Single Pole Double Throw Precision Snap Action Switches 
Can be wired for N.O. or N.C. Circuits 
4 Screw Terminals per Switch, switch Part 04537001 UL Listed  
NEMA 7 Cast Aluminum Enclosure for Hazardous Locations 
Designed to meet the requirements of NEC code for Class 1, Group D 
Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Dated 01-2021 
(6LBS) H 4" L 8" W 5" Box
0 $1,307.00
189 AME-2000-35B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-35B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
500 to 1 Gear Ratio. Cams rotates 360 degrees every 500 revolutions of the input shaft 
2 Independently Adjustable Switches / Circuits / Cams 
Switches, 2, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 7 Cast Aluminum Enclosure for Hazardous Locations. Designed to meet the requirements of NEC code for Class 1, Group D, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
Dated 01-2021 
(6LBS) H 3.00" L 7.50" W 4.50"
0 $1,307.00
190 AME-2000-36B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-36B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
1000 to 1 Gear Ratio. Cams rotates 360 degrees every 1000 revolutions of the input shaft 
2 Independently Adjustable Switches / Circuits / Cams 
Switches, 2, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 7 Cast Aluminum Enclosure for Hazardous Locations. Designed to meet the requirements of NEC code for Class 1, Group D, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
Dated 01-2021 
(6LBS) H 3.00" L 7.50" W 4.50"
0 $1,307.00
191 AME-2000-38B Ametek Gemco Geared Rotary Limit Switch 
Part 2000-38B 
200038B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
10 to 1 Gear Ratio 
2, Independently Adjustable Switches / Circuits / Cams 
2, S.P.D.T., Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch, Switch Part 04537001, UL Listed  
NEMA 1 & 12 Enclosure, Gasketed, Dust Resistant, Color Blue 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Addition Specifications available @ this link: 
http://www.gemcodirect.com/Products/Rotary%20Feedback/ 
Normally a Stock Item @ BPI 
Ships from Stock to 2 Weeks 
Dated 01-2021 
(3LBS) H 4" L 8" W 4" Box
2 $385.00
192 AME-2000-39B Ametek Gemco Geared Rotary Limit Switch 
Part 2000-39B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
10 to 1 Gear Ratio 
2, Independently Adjustable Switches / Circuits / Cams 
2, SPDT / Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part AME-04537001 UL Listed  
NEMA 4 Cast Aluminum Enclosure, Weatherproof, Water Resistant, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
(6LBS) H 4" L 6" W 4" Box 
Dated 09/22
3 $847.00
193 AME-2000-3B Ametek Gemco Geared Rotary Limit Switch 2000 
Part 2000-3B 
20003B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
30 to 1 Gear Ratio 
2 Independently Adjustable Switches / Circuits / Cams 
Switches, 2, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O. or N.C. Circuits 
4 Screw Terminals per Switch, Switch Part 04537001 UL Listed  
NEMA 1 & 12 Enclosure 
Gasketed, Dust Resistant, Color Blue, Fibralloy Material 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Normally a Stock Item @ BPI 
Ships from Stock to 4 Weeks 
Dated 01-2024 
(3LBS) H 4" L 8" W 4" Box
0 $385.00
194 AME-2000-40B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-40B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
10 to 1 Gear Ratio. Cams rotates 360 degrees every 10 revolutions of the input shaft 
2 Independently Adjustable Switches / Circuits / Cams 
Switches, 2, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 7 Cast Aluminum Enclosure for Hazardous Locations. Designed to meet the requirements of NEC code for Class 1, Group D, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
Dated 01-2021 
(6LBS) H 3.00" L 7.50" W 4.50"
0 $961.00
195 AME-2000-43B Ametek Gemco Geared Rotary Limit Switch 
Part 2000-43B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
100 to 1 Gear Ratio 
2 Independently Adjustable Switches - Circuits - Cams 
D.P.D.T. - Double Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O. or N.C. Circuits 
8 Screw Terminals per Switch 
Switch Part 04537003 UL Listed 
NEMA 1 & 12 Enclosure 
Gasketed, Dust Resistant, Color Blue, Fibralloy Material 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Ships in 2 Weeks, Peck MI 
(3LBS) H 4" L 8" W 4" Box 
Dated 09/22
1 $1,127.00
196 AME-2000-47B Ametek Gemco Geared Rotary Limit Switch 
Part 2000-47B 
aka 200047B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
30 to 1 Gear Ratio 
2, Independent Circuits - Switches - Cams 
2, D.P.D.T. Double Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O. or N.C. Circuits 
8 Screw Terminals per Switch 
Switch Part 04537003, UL Listed 
NEMA 1 & 12 Enclosure, Gasketed, Dust Resistant, Color Blue, Fibralloy Material 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Tempersture 180 Degrees F 
Ships in 10 Days, Peck MI 
Dated 01-2021 
(3LBS) H 4" L 8" W 4" Box
0 $1,127.00
197 AME-2000-4B Ametek Gemco Geared Rotary Limit Switch 
Part 2000-4B 
20004B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
40 to 1 Gear Ratio 
2, Independently Adjustable Switches / Circuits / Cams 
2, SPDT, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O. or N.C. Circuit 
4 Screw Terminals per 
UL Listed, Switch Part 04537001  
NEMA 1 & 12 Enclosure 
Gasketed, Dust Resistant, Color Blue, Fibralloy Material 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Ships from Stock to 6 Weeks 
Dated 01-2023 
(3LBS) H 4" L 8" W 4" Box
10 $385.00
198 AME-2000-5B Ametek Gemco Geared Rotary Limit Switch 
Part 2000-5B 
20005B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
50 to 1 Gear Ratio 
2, Independently Adjustable Switches - Circuits - Cams 
2, S.P.D.T., Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O. or N.C. Circuits 
4 Screw Terminals per Switch 
Switch Part 04537001, which is UL Listed  
NEMA 1 & 12 Enclosure, Gasketed, Dust Resistant 
Color Blue, Fibralloy Material 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Normally a Stock Item @ BPI 
Ships from Stock to 3 Weeks 
Dated 01-2024 
(3LBS) H 4" L 8" W 4" Box
2 $539.00
199 AME-2000-60B Ametek Gemco Geared Rotary Limit Switch 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
Part AME-2000-60B 
30 to 1 Gear Ratio 
2, Independently Adjustable Switches / Circuits / Cams 
Switches 
2, Double Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
8 Screw Terminals per Switch Part 04537003 UL Listed 
NEMA 7 Cast Aluminum Enclosure for Hazardous Locations 
Designed to meet the requirements of NEC code for Class 1, Group D, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
Dated 01-2021 
(6LBS) H 3" L 8" W 5" Box
0 $1,703.00
200 AME-2000-6B Ametek Gemco Geared Rotary Limit Switch 
Part 2000-6B 
aka 20006B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
60 to 1 Gear Ratio 
2, Independently Adjustable Switches / Circuits / Cams 
2, S.P.D.T., Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O. or N.C. Circuits 
4 Screw Terminals per Switch 
Switch Part 04537001, UL Listed  
NEMA 1 & 12 Enclosure 
Gasketed, Dust Resistant, Color Blue, Fibralloy Material 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Normally a Stock Item @ BPI 
Ship from Stock to 2 Weeks 
Dated 09-2022 
(3LBS) H 4" L 8" W 4" Box
5 $385.00
201 AME-2000-72B Ametek Gemco Rotary Limit Switch Engineered Part Number / Special Dwell Cams Like 2000-10B, P/N: AME-2000-72B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
20 to 1 Ratio Gear Ratio, the cam block rotates once every 20 turns of the main shaft 
2 Independently Adjustable Switches/ Circuits / Cams 
Single Pole Double Throw U.L. Listed Precision Snap Action Switches which can be wired for normally open or closed circuits. 4 Screw Terminals 
Special S68 Cams with 54 Degrees of Dwell. Other cam dwells are available 
NEMA 4 Cast Aluminum Enclosure, Water Resistant, Color Red 
Turns required to reset switch 1/8 
Maximum switch setting @ 18 turns 
Up to 1000 RPM Clock Wise or CCW 
1/2 Inch Diameter Input Shaft Extends 1 & 1/2 Inch from the Enclosure, Includes a Woodruff Keyway & # 404 Key 
Maximum Operating Temperature 180 Degrees F 
1/2 -14 American Standard Pipe Thread Entrance 
(6LBS) 
(6LBS) H 3" L 7.5" W 4.5" 
[Amazon]
0 $649.08
202 AME-2000-73B Ametek Gemco Geared Rotary Limit Switch 
Part 2000-273B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
500 to 1 Gear Ratio. Cams rotates 360 degrees every 500 revolutions of the input shaft 
3 Independently Adjustable Switches / Circuits / Cams 
Switches, 3, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 7 Cast Aluminum Enclosure for Hazardous Locations. Designed to meet the requirements of NEC code for Class 1, Group D, Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
Dated 01-2021 
(6LBS) H 3" L 8" W 5" Box
0 $1,127.00
203 AME-2000-75B Ametek Gemco Geared Rotary Limit Switch 2000 
Part 2000-75B 
200075B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
60 to 1 Gear Ratio 
2, Independently Adjustable Switches / Circuits / Cams 
2, DPDT / Double Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
8 Screw Terminals per Switch Part AME-04537003 UL Listed 
NEMA 1 & 12 Enclosure, Gasketed, Dust Resistant, Color Blue, Fibralloy Material 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Normally a Stock Item @ BPI 
Ships from Stock to 4 Weeks 
Dated 09-2022 
(3LBS) H 4" L 8" W 4" Box
1 $1,127.00
204 AME-2000-77B Ametek Gemco Geared Rotary Limit Switch, P/N: AME-2000-77B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
80 to 1 Gear Ratio. Cams rotates 360 degrees every 80 revolutions of the input shaft 
2 Independently Adjustable Switches / Circuits / Cams 
Switches, 2, Double Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
8 Screw Terminals per Switch Part 04537003 UL Listed 
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 1 & 12 Enclosure, Gasketed, Dust Resistant, Color Blue, Fibralloy Material 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Max Temp 180 Degrees F 
(3LBS) H 4.00" L 8.00" W 4.00" 
Dated 09/21/22
0 $1,127.00
205 AME-2000-7B Ametek Gemco Geared Rotary Limit Switch 
Part 2000-7B 
20007B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
80 to 1 Gear Ratio 
2 Independently Adjustable Switches / Circuits / Cams  
2 Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
NEMA 1 & 12 Enclosure, Gasketed, Dust Resistant, Color Blue, Fibralloy Material 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temp 180 Degrees F 
Normally a Stock Item @ BPI 
Ships from Stock to 3 Weeks 
Dated 01-2023 
(3LBS) H 4" L 8" W 4" Box
3 $385.00
206 AME-2000-89B Ametek Gemco Geared Rotary Limit Switch 
Model 2000-89B 
aka 200089B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
5 to 1 Gear Ratio 
4, Independently Adjustable Switches / Circuits / Cams 
4, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O. or N.C. Circuits 
4 Screw Terminals per Switch 
Switch Part 04537001 which is UL Listed  
NEMA 1 & 12 Enclosure, Gasketed, Dust Resistant 
Color Blue, Fibralloy Material 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temp 180 Degrees F 
Ships from Stock to 2 Weeks 
Dated 01-2021 
(3LBS) H 3" L 8" W 4" Box
1 $700.00
207 AME-2000-8B Ametek Gemco Geared Rotary Limit Switch 
Part 2000-8B  
20008B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
100 to 1 Gear Ratio 
2, Independently Adjustable Switches / Circuits / Cams 
2, S.P.D.T., Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O. or N.C. Circuits 
4 Screw Terminals per Switch 
Switch Part 04537001 UL Listed  
NEMA 1 & 12 Enclosure 
Gasketed, Dust Resistant, Color Blue, Fibralloy Material 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Normally a Stock Item @ BPI 
Ships from Stock to 3 Weeks 
Dated 01-2024 
(3LBS) H 4" L 8" W 4" Box
0 $385.00
208 AME-2000-90B Ametek Gemco Geared Rotary Limit Switch 2000 
Part 2000-90B 
200090B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
10 to 1 Gear Ratio 
4, Independently Adjustable Switches / Circuits / Cams / Switches 
4, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for a N.O. or N.C. Circuit 
4 Screw Terminals per Switch Part 04537001 UL Listed  
NEMA 1 & 12 Enclosure, Gasketed, Dust Resistant 
Color Blue, Fibralloy Material 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Normally a Stock Item @ BPI 
Ships from Stock to 4 Weeks 
Dated 01-2023 
(3LBS) H 3" L 8" W 4" Box
0 $700.00
209 AME-2000-91B Ametek Gemco Geared Rotary Limit Switch 
Part 2000-91B 
aka 200091B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
20 to 1 Gear Ratio 
4 Independently Adjustable Switches / Circuits / Cams / Switches 
4, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O. or N.C. Circuits 
4 Screw Terminals per Switch Part 
Switch Part 04537001, UL Listed  
NEMA 1 & 12 Enclosure, Gasketed, Dust Resistant 
Color Blue, Fibralloy Material 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Ships from Stock to 2 Weeks 
Dated 01-2021 
(3LBS) H 3" L 8" W 4" Box
16 $700.00
210 AME-2000-92B Ametek Gemco Geared Rotary Limit Switch 
Part 2000-92B 
aka 200092B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
30 to 1 Gear Ratio 
4 Independently Adjustable Switches / Circuits / Cams 
Switches 
4, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O. or N.C. Circuits 
4 Screw Terminals per Switch 
Switch Part 04537001 UL Listed  
NEMA 1 & 12 Enclosure, Gasketed 
Dust Resistant, Color Blue, Fibralloy Material 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Ship[s in 3 Weeks 
Dated 01-2024 
(3LBS) H 3" L 8" W 4" Box
0 $700.00
211 AME-2000-93B Ametek Gemco Geared Rotary Limit Switch 
Part 2000-93B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
40 to 1 Gear Ratio 
4, Independently Adjustable Switches / Circuits / Cams 
4, S.P.D.T., Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O. or N.C. Circuits 
4 Screw Terminals per Switch 
Switch Part 04537001 UL Listed  
NEMA 1 & 12 Enclosure, Gasketed, Dust Resistant 
Color Blue, Fibralloy Material 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Dated 01-2021
1 $700.00
212 AME-2000-94B Ametek Gemco Geared Rotary Limit Switch 
Part 2000-94B 
200094B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
50 to 1 Gear Ratio 
4, Independently Adjustable Switches / Circuits / Cams 
Switches 
4, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
NEMA 1 & 12 Enclosure 
Gasketed, Dust Resistant, Color Blue, Fibralloy Material 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Normally a Stock Item @ BPI 
Ships from Stock to 2 Weeks 
Dated 01-2021 
(3LBS) H 3" L 8" W 4" Box
0 $700.00
213 AME-2000-95B Ametek Gemco Geared Rotary Limit Switch 
Part 2000-95B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
60 to 1 Gear Ratio 
Qty. 4, Independent, Position Adjustable Circuits / Switches Cams 
Qty. 4, SPDT, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O. or N.C. Circuits 
4 Screw Terminals per Switch 
Switch Part AME-04537001 UL Listed  
NEMA 1 & 12 Enclosure 
Gasketed, Dust Resistant 
Color Blue, Fibralloy Material 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Ships from Stock to 2 Weeks 
Dated 01-2021 
(3LBS) H 3" L 8" W 4" Box
4 $700.00
214 AME-2000-96B Ametek Gemco Geared Rotary Limit Switch 2000 
Part 2000-96B 
200096B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
80 to 1 Gear Ratio 
4, Independently Adjustable Switches / Circuits / Cams 
4, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O. or N.C. Circuits 
4 Screw Terminals per Switch 
Switch Part 04537001 UL Listed  
NEMA 1 & 12 Enclosure 
Gasketed, Dust Resistant, Color Blue, Fibralloy Material 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temp 180 Degrees F 
Normally a Stock Item @ BPI 
Ships from Stock to 4 Weeks 
Dated 01-2023 
(3LBS) H 3" L 8" W 4" Box
1 $700.00
215 AME-2000-97B Ametek Gemco Geared Rotary Limit Switch 
Model 2000-97B 
aka 200097B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
100 to 1 Gear Ratio 
4, Independently Adjustable Switches / Circuits / Cams 
4, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for N.O.or N.C. Circuits 
4 Screw Terminals per Switch 
Switch Part 04537001, UL Listed  
NEMA 1 & 12 Enclosure, Gasketed, Dust Resistant 
Color Blue, Fibralloy Material 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Normally a Stock Item @ BPI 
Ships from Stock to 10 Days 
Dated 01-2021 
(3LBS) H 4" L 8" W 4" Box
3 $700.00
216 AME-2000-98B Ametek Gemco Geared Rotary Limit Switch 
Part 2000-98B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
250 to 1 Gear Ratio. Cams rotates 360 degrees every 250 revolutions of the input shaft 
4 Independently Adjustable Switches / Circuits / Cams 
Switches, 4, Single Pole Double Throw Precision Snap Action Switches 
Which can be wired for normally open or closed circuits 
4 Screw Terminals per Switch Part 04537001 UL Listed  
Standard Dwell Cams allow switch contacts to be open or closed 25 or 335 degrees 
Other cam dwells are available 
NEMA 1 & 12 Enclosure, Gasketed, Dust Resistant, Color Blue, Fibralloy Material 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Dated 01-2021 
(3LBS) H 3" L 8" W 4" Box
2 $1,044.00
217 AME-2000-99B Ametek Gemco Geared Rotary Limit Switch 
Part 2000-99B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
500 to 1 Ratio Gear Ratio 
4, Independently Adjustable,Circuits / Switches / Cams 
S.P.D.T., Single Pole Double Throw, U.L. Listed Precision Snap Action Switches 
Can be wired for N.O or N.C. Circuits 
4 Screw Terminals 
NEMA 1 & 12 Enclosure, Gasketed, Dust Resistant 
Color Blue, Fibralloy Material 
1/2 Inch Diameter Input Shaft 
Includes a Woodruff Key & Keyway 
Maximum Temperature 180 Degrees F 
Dated 01-2021 
1/2 -14 American Standard Pipe Thread Entrance 
(3LBS) H 3" L 8" W 4" Box
0 $1,044.00
218 AME-2000-9B Ametek Gemco Geared Rotary Limit Switch 
Part 2000-9B 
aka 20009B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
5 to 1 Gear Ratio 
2, Independently Adjustable Switches / Circuits / Cams 
2, S.P.D.T. Switches, Single Pole Double Throw Precision Snap Action Switches 
Can be wired for N.O. or N.C. Circuits 
4 Screw Terminals per Switch, Switch Part 04537001, UL Listed  
NEMA 4 Cast Aluminum Enclosure, Water Resistant, Weather Resistant 
Color Red 
1/2 Inch Diameter Input Shaft 
Includes Woodruff Key and Keyway 
Maximum Temperature 180 Degrees F 
Ships from Stock to 4 Weeks 
Dated 09/22 
(6LBS) H 4" L 8" W 5" Box
0 $847.00
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Application Notes

Application Notes
 
Check-out application notes compiled using real-life situations our clients have efficiently resolved using various Gemco products, in these application areas:
 
  • Cranes
  • Battery Manufacturing
  • Fiberglass Winders
  • Hydraulic Cylinders
  • Crusher/Baler
  • Stretch Hooding Machine
  • Electric Arc Furnace Cover
  • And more
PLS, PLC and Network Modules

PLS, PLC and Network Modules
 
  • 1746 LDT Interface Card
  • 1989 Quik-Set III Multi-Turn PLS
  • 1990DN DeviceNet Resolver
     Interface Module
  • 1991 Quik-Set IV UHS PLS
  • 1992 Press Set
  • 1995A/B/E/L Micro-Set PLS
  • 1996 Ram Set
  • 2110 Shut Height Monitor
  • 2120 PLC Interface Module
  • 2500 High Speed PLS
 
Rotary Feedback

Rotary Limit Switches, Position Sensors, Resolvers, Encoders
 
  • 1950 Precision Snap Switches
  • 1970 Drive-Chek Control
  • 1980 Rotating Cam Limit Switch
  • 1980R Rotating Cam Limit
     Switch with Resolver
  • 1983 Optical Limit Switch
  • 1986A standard foot mount
  • 1986B 2.25" sqr flange mount
  • 1986C 2.06" sqr flange mount
  • 1986D 2.50" dia face mount
  • 1986DN DeviceNet resolver
  • 1986E 100mm face mount
  • 1986G square flange mount
  • 1986GG multi-turn dual
  • 1986I 4.00" round face mount
  • 1986F standard block style
  • 1986H servo mount resolver
  • 1986MD mill duty housing
  • 1986XP explosion proof
  • 1997 Gate Hoist Rotating Cam
     Limit Switch, Designed to
     Meet Specifications of The
     Corps of Engineers

  • 2000 RLS
  • 2006 RLS
  • 3001 Adjustable Couplings
Linear Feedback

Linear Displacement Transducers
 
  • 925 Linear Cable Reel Sensor
  • 950IS Intrinsically Safe LDT
  • 950MD Mill Duty Housing LDT
  • 952 BlueOx LDT
  • 953A/D/SSI VMAX LDT
  • 953N ReadyLink EtherNet/IP
    LDT with RapidRecall
  • 955 eBrik
  • 955A BRIK Gen III LDT
  • 955C/CA/CD/CDQ BRIK Gen III
  • 955D BRIK Gen III LDT
  • 955DQ BRIK Gen III LDT
  • 955LC BRIK LDT
  • 955S Smart BRIK LDT
  • 955 BRIK Accessories
  • 956 BLOK Housing Option
  • 956S BLOK LDT
  • 957N ReadyLink EtherNet/IP
    LDT with RapidRecall
  • 957A, D & SSI Brik LDT
  • 957A/D/SSI BRIK LDT
    Accessories
  • Rod Style LDT Accessories
  • LDT Magnets, Cables,
    Accessories and Parts
  • 958A Embedded LDT
Other Measurements

Other Measurements
 
  • 6012/6013 Electrode
    Holders/Electrodes
  • 7010 Tilt Switch Float
  • 7014 Unifloat
  • 7100 Leak Detect Stik
  • 7230 HT Digital Probe
  • 7250 Digital Stik
  • 7330 Pro-Stik II
Press Safety Products

Press Safety Products
 
  • 1999 Semelex II Safetimeter
  • 1025 Foot and Palm Switches
 
Gemco Industrial Brakes

Gemco Industrial Brakes
 
Electro-Thrust Brakes (ET)
   - Thrust Shoe Brakes
Hydraulic Brakes (H, HM)
   - Hydraulic Shoe Brakes
   - Replacement Parts
Magnetic Brakes (TM)
   - Magnetic DC Shoe Brakes
   - Replacement Parts
Solenoid Brakes (CB)
   - Solenoid AC Shoe Brakes
MSDS
   - MSDS Information
Control Relays

Control Relays
 
  • 1500 Induction Style Relay
  • 5200 Solid State Relay
  • 5400 Plug In Style Solid State
    Relay
  • 5600 Solid State Relay
  • 8040 Standard Control and
    Alarm Panel
  • Motogard - Over-Temperature
    Protection
Frequently Requested Quotations

Frequently Requested Quotations
 
  • Actuating Cylinder
  • Hydraulic Shoe Brakes
  • Solenoid DC Shoe Brakes
  • Solenoid AC Shoe Brakes
  • Various Replacement Parts
  • 1950 Series Snap Switches
  • And more
 
This web site is owned and operated by Brake Products, Inc.
Brake Products, Inc.   16751 Hilltop Park Place
  Chagrin Falls, Ohio 44023
  Phone: (440) 543-7962
  Fax:     (440) 543-7963
  Web:   www.brakeproducts.com
  Email: sales@brakeproducts.com
  Federal ID #: 34-1473351
  CAGE Code: 1QTP8
  DUNS# 14-748-2392
  Download: Form W-9
  ACH Form: Word   /   PDF
Supplier of Industrial Brake Parts Since 1985