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Gemco Parts Description Page 12

Part
Number
Product
Category
Description
2000-264B Brake Parts Ametek Gemco Rotary Limit Switch 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
10 to 1 Ratio Gear Ratio, the cam block rotates once every 10 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 
Standard Cams allow switch contacts to be opened for 25 or 335 Degrees. Other cam dwells are available 
NEMA 7 Rated Cast Aluminum Enclosure for Hazardous Locations. Designed to meet the requirements of NEC code for Class 1, Group D 
A NEMA 9 Rated Enclosure is available at the same cost to meet Groups E,F & G. Specify NEMA 7 or 9 when placing any orders 
Turns required to reset switch 1/16 
Maximum switch setting @ 9 & 1/2 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)
2000-266B Brake Parts Ametek Gemco
2000-267B Brake Parts Ametek Gemco Rotary Limit Switch 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
40 to 1 Ratio Gear Ratio, the cam block rotates once every 40 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 
Standard Cams allow switch contacts to be opened for 25 or 335 Degrees. Other cam dwells are available 
NEMA 7 Rated Cast Aluminum Enclosure for Hazardous Locations. Designed to meet the requirements of NEC code for Class 1, Group D 
A NEMA 9 Rated Enclosure is available at the same cost to meet Groups E,F & G. Specify NEMA 7 or 9 when placing any orders 
Turns required to reset switch 1/2 
Maximum switch setting @ 38 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)
2000-2687 Brake Parts Ametek Gemco Limit Switch. NEMA 4 Aluminum Enclosure, Resolver & Plug, 72 to 1 Ratio.
2000-2701 Brake Parts Ametek Gemco Limit Switch with 300:1, NEMA 4, SPDT, cast iron enclosure, 2x586A cams.
2000-2703 Brake Parts Ametek Gemco Rotary Limit Switch 
Series 2000 Worm Gear Type with Bronze Gears, Steel Cams and a Stainless Steel Shaft 
10 to 1 Ratio Gear Ratio, the cam block rotates once every 10 turns of the main shaft 
4 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 
Standard Cams allow switch contacts to be opened for 25 or 335 Degrees. Other cam dwells are available 
NEMA 12 Fibralloy Enclosure 
Turns required to reset switch 1/16th 
Maximum switch setting @ 9.5 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)
2000-2704 Brake Parts Ametek Gemco Rotary Limit Switch 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
30 to 1 Ratio Gear Ratio, the cam block rotates once every 30 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 
1 Standard Cams allow switch contacts to be opened for 25 or 335 Degrees 
2 Non-Standard Cams S68A allow switch contacts to be opened for 54 or 306 Degrees 
NEMA 12 Enclosure 
Turns required to reset switch 1/4 
Maximum switch setting @ 28 & 1/2 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)
2000-273B Brake Parts Ametek Gemco Rotary Limit Switch 
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 
Standard Cams allow switch contacts to be opened for 25 or 335 Degrees. Other cam dwells are available 
NEMA 7 Rated Cast Aluminum Enclosure for Hazardous Locations. Designed to meet the requirements of NEC code for Class 1, Group D 
A NEMA 9 Rated Enclosure is available at the same cost to meet Groups E,F & G. Specify NEMA 7 or 9 when placing any orders 
Turns required to reset switch 7 
Maximum switch setting @ 460 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)
2000-2757 Brake Parts Ametek Gemco Geared Rotary Limit Switch. 5 Independent Circuits / Cams / Switches in a NEMA 1 / 12 Enclosure with a 20 to 1 Gear Ratio and Single Pole Double Throw Precision Snap Action Switches. Cams = Qty. 4 Standard Cams S0005500 @ 25 Degrees & Qty. 1, Special Cam @ S0007000 180 Degrees
2000-2760 Brake Parts Ametek Gemco Rotary Limit Switch, Like 2000-14B 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
60 to 1 Ratio Gear Ratio, the cam block rotates once every 60 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 
Non-Standard Cams S68 allow switch contacts to be opened for 54 or 306 Degrees. Other cam dwells are available 
NEMA 4 Rated Cast Aluminum Enclosure, Watertight 
Turns required to reset switch 1 & 1/2 
Maximum switch setting @ 58 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)
2000-2778 Brake Parts Ametek Gemco Rotary Limit Switch 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
50 to 1 Ratio Gear Ratio, the cam block rotates once every 50 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 04537001 
1 Standard Cam allow switch contacts to be opened for 25 or 335 Degrees 
1 Special Cam S84 allows the switch contacts to be opened for 75 or 285 Degrees 
Other cam dwells are available 
NEMA 12 Rated Enclosure 
Turns required to reset switch 1/4 
Maximum switch setting @ 46 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 
(3LBS)
2000-2779 Brake Parts Ametek Gemco Rotary Limit Switch. Series 2000 Worm Gear Type. Qty. 4, Independent Cams / Circuits / Switches with Single Pole Double Throw Snap Action Switches (S.P.D.T.) 20 to 1 Gear Ratio. Cast Aluminum NEMA Type 4 Watertight Enclosure. Up to 1000 RPM no minimum. Clock Wise or CCW Rotation. 1/2 Inch Diameter Stainless Steel Input Shaft with a # 404 Woodruff Key & Keyway. 1/2 -14 American Standard Pipe Thread Electrical Entrance. Maximum operating temperature 180 degrees F. (6LBS) 10/5
2000-2786 Brake Parts Ametek Gemco Series 2000 Worm Gear Type Rotary Limit Switch. 4 Independently Adjustable Standard Cams / Circuits, UL Listed snap action S.P.D.T Switches, NEMA 1 & 12 Fibralloy Enclosure, 100 to 1 Ratio. 1/2 Inch input shaft with woodruff key. Maximum RPM 1000. Maximum operating temperature 180 degree F.
2000-2791 Brake Parts Ametek Gemco Geared Rotary Limit Switch. NEMA 4 Enclosure, 40 to 1 Gear Ratio, 4 Circuit / Cams with Special 54 Degree Cams, S.P.D.T Switches. (S0006800)
2000-279B Brake Parts Ametek Gemco Rotary Limit Switch, Worm Gear Type, 4000 to 1 Ratio, 2 Cam, S.P.D.T. Single Pole Double Throw Switches, NEMA 12 Enclosure, Maximum Speed 1000 RPM Clock Wise or CCW., 1/2 Inch Diameter Input Shaft, includes # 404 Woodruff Keyway, 1/2 -14 American Standard Pipe Thread Entrance (3LBS)
2000-28B Brake Parts Ametek Gemco Rotary Limit Switch 
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 
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 
Standard Cams allow switch contacts to be opened for 25 or 335 Degrees. Other cam dwells are available 
NEMA 12 Rated Enclosure 
Turns required to reset switch, 6 
Maximum switch setting @ 230 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 
(3LBS)
2000-291B Brake Parts Ametek Gemco Rotary Limit Switch. Worm Gear Type, Two Independent Circuits / Switches / Cams. 2000 to 1 Gear Ratio. UL Listed S.P.D.T. Precision Snap Action Switches. NEMA 7 & 9 Rated Die Cast Aluminum Enclosure for Hazardous Locations, designed to meet the NEC Code for Class 1, Group D, and Class 2, Groups E, F & G Locations. Maximum Speed 1000 RPM (6LBS)
2000-292B Brake Parts Ametek Gemco Rotary Limit Switch 
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 
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 
Standard Cams allow switch contacts to be opened for 25 or 335 Degrees. Other cam dwells are available 
NEMA 12 Enclosure 
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 
(3LBS)
2000-2958 Brake Parts Ametek Gemco Rotary Limit Switch. NEMA 7 Enclosure with a 1 k Ohm Pot.
2000-299B Brake Parts Ametek Gemco Rotary Limit Switch 
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 
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 
Standard Cams allow switch contacts to be opened for 25 or 335 Degrees. Other cam dwells are available 
NEMA 4 Rated Cast Aluminum Enclosure, Watertight 
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)
2000-29B Brake Parts Ametek Gemco Rotary Limit Switch 
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 
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 
Standard Cams allow switch contacts to be opened for 25 or 335 Degrees. Other cam dwells are available 
NEMA 1 & 12 Enclosure 
Turns required to reset switch 15 & 1/4 
Maximum switch setting @ 460 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 
(3LBS)
2000-2B Brake Parts Ametek Gemco Rotary Limit Switch 
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 04537001 
Standard Cams allow switch contacts to be opened for 25 or 335 Degrees. Other cam dwells are available 
NEMA 12 Rated Enclosure 
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 
(3LBS)
2000-300B Brake Parts Ametek Gemco Rotary Limit Switch 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
300 to 1 Ratio Gear Ratio, the cam block rotates once every 300 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 
Standard Cams allow switch contacts to be opened for 25 or 335 Degrees. Other cam dwells are available 
NEMA 4 Rated Cast Aluminum Enclosure, Watertight 
Turns required to reset switch 6 & 1/2 
Maximum switch setting @ 265 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 
(5LBS)
2000-3036 Brake Parts Ametek Gemco 2000-3036 is a NEMA 1, 2 circuit, 100:1 ratio with 75 degree cams. So the 3036 may mean something else cause its not NEMA 7. 
2000-3047 Brake Parts Ametek Gemco Geared Rotary Limit Switch. Series 2000. NEMA 1 Enclosure. 3 Independent Circuits/ Cams / Switches. Single Pole Double Throw Snap Switches. 20 to 1 Gear Ratio. Special 90 Degree Cams & a Tall Cover 10/7
2000-3058 Brake Parts Ametek Gemco Rotary Limit Switch. Series 2000 Worm Gear Type. 2 Independent Cams / Circuits / Switches with Single Pole Double Throw Snap Action Switches, 60 to 1 Gear Ratio. Cast Aluminum NEMA Type 4 Watertight Enclosure. Up to 1000 RPM no minimum. Clock Wise or CCW Rotation. 1/2 Inch Diameter Input Shaft with a # 404 Woodruff Key & Keyway. 1/2 -14 American Standard Pipe Thread Electrical Entrance. Maximum operating temperature 180 degrees F Special engineered part number. With Stainless Steel Input Shaft PM0039100 (6LBS)
2000-3059 Brake Parts Ametek Gemco Rotary Limit Switch 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
60 to 1 Ratio Gear Ratio, the cam block rotates once every 60 turns of the main shaft 
4 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 
2 Standard Cams S005500 in switch positions 1 and 4 allow switch contacts to be opened for 25 or 335 Degrees 
2 Special Cams S0006800 in switch positions 2 and 3 allow switch contacts to be opened for 54 or 306 Degrees 
NEMA 1 & 12 Enclosure 
Turns required to reset switch 1/2  
Maximum switch setting @ 76 & 3/4 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)
2000-3063 Brake Parts Ametek Gemco Rotary Limit Switch. Spur Gear Type, Four Independent Circuits / Cam / Switches, UL Listed Snap Action Switches with S.P.D.T. Contacts, Die Cast NEMA 4 Enclosure, 1/2 to 1 input shaft revolution to 1 cam block revolution. For basic switch data see table 2 symbol C 
Special with Qty. 2, S71 Cams in Circuits 2 & 3
2000-3070 Brake Parts Ametek Gemco Rotary Limit Switch 
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 
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. Form "C" 3 Screw Terminals. The common is shared by both contacts 
2 Custom Engineered Cams with 130 Degrees of Dwell  
NEMA 1 & 12 Enclosure 
Turns required to reset switch 29 
Maximum switch setting @ 920 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 
(3LBS)
2000-3071 Brake Parts Ametek Gemco Rotary Limit Switch 
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 
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. Form "C" 3 Screw Terminals. The common is shared by both contacts 
1 Custom Engineered Cam with 200 Degrees of Dwell 
1 Custom Engineered Cam with 285 Degrees of Dwell  
NEMA 1 & 12 Enclosure 
Turns required to reset switch 29 
Maximum switch setting @ 920 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 
(3LBS) 11/7
2000-3077 Brake Parts Ametek Gemco Rotary Limit Switch 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
60 to 1 Ratio Gear Ratio, the cam block rotates once every 60 turns of the main shaft 
4 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 
2 Standard Cams in positions 1 and 4 allow switch contacts to be opened for 25 or 335 Degrees 
2 Optional Cams # S68 in positions 2 and 3 allow switch contacts to be opened for 54 or 306 Degrees 
NEMA 4 Rated Enclosure 
Turns required to reset switch 1/2 
Maximum switch setting @ 57 & 1/2 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)
2000-3078 Brake Parts Ametek Gemco Rotary Limit Switch, Worm Gear Type, 1000 to 1 Ratio, Qty. 3 Non-Standard Cams S84 @ 75 Degrees, Single Pole Double Throw Switches, NEMA 4 Rated Enclosure, Maximum Speed 1000 RPM Clock Wise or CCW., 1/2 Inch Diameter Input Shaft, includes # 404 Woodruff Keyway, 1/2 -14 American Standard Pipe Thread Entrance (4LBS) 11/7
2000-30B Brake Parts Ametek Gemco Rotary Limit Switch 
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 
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 
Standard Cams allow switch contacts to be opened for 25 or 335 Degrees. Other cam dwells are available 
NEMA 1 & 12 Enclosure 
Turns required to reset switch 29 
Maximum switch setting @ 920 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 
(3LBS)
2000-31B Brake Parts Ametek Gemco Rotary Limit Switch 
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 
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 04537001 
Standard Cams allow switch contacts to be opened for 25 or 335 Degrees. Other cam dwells are available 
NEMA 4 Rated Cast Aluminum Enclosure, Watertight 
Turns required to reset switch 6 
Maximum switch setting @ 230 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)
2000-32B Brake Parts Ametek Gemco Rotary Limit Switch 
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 
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 04537001 
Standard Cams allow switch contacts to be opened for 25 or 335 Degrees. Other cam dwells are available 
NEMA 4 Rated Cast Aluminum Enclosure, Watertight 
Turns required to reset switch 15 & 1/4 
Maximum switch setting @ 460 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)
2000-33B Brake Parts Ametek Gemco Rotary Limit Switch 
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 
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 04537001 
Standard Cams allow switch contacts to be opened for 25 or 335 Degrees. Other cam dwells are available 
NEMA 4 Rated Cast Aluminum Enclosure, Watertight 
Turns required to reset switch 29 
Maximum switch setting @ 920 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)
2000-34B Brake Parts Ametek Gemco Rotary Limit Switch 
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 
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 
Standard Cams allow switch contacts to be opened for 25 or 335 Degrees. Other cam dwells are available 
NEMA 7 Rated Cast Aluminum Enclosure for Hazardous Locations. Designed to meet requirements for NEC Class 1, Group D and Class 2 Groups E,F & G. Cast Iron & Bronze are available 
Turns required to reset switch, 6 
Maximum switch setting @ 230 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 
(2LBS)
2000-38B Brake Parts Ametek Gemco Rotary Limit Switch 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
10 to 1 Ratio Gear Ratio, the cam block rotates once every 10 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 04537001 
Standard Cams allow switch contacts to be opened for 25 or 335 Degrees. Other cam dwells are available 
NEMA 12 Rated Enclosure 
Turns required to reset switch 1/8th 
Maximum switch setting @ 9 & 1/4 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 
(3LBS)
2000-39B Brake Parts Ametek Gemco Rotary Limit Switch 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
10 to 1 Ratio Gear Ratio, the cam block rotates once every 10 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 # 04537004 
Standard Cams allow switch contacts to be opened for 25 or 335 Degrees. Other cam dwells are available 
NEMA 4 Rated Cast Aluminum Enclosure, Watertight 
Turns required to reset switch 1/8 
Maximum switch setting @ 9 & 1/4 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 
(5LBS)
2000-3B Brake Parts Ametek Gemco Rotary Limit Switch 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
30 to 1 Ratio Gear Ratio, the cam block rotates once every 30 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 04537001 
Standard Cams allow switch contacts to be opened for 25 or 335 Degrees. Other cam dwells are available 
NEMA 12 Rated Enclosure 
Turns required to reset switch 1/4 
Maximum switch setting @ 28 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 
(3LBS)
2000-40B Brake Parts Ametek Gemco Rotary Limit Switch 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
10 to 1 Ratio Gear Ratio, the cam block rotates once every 10 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 04537001 
Standard Cams allow switch contacts to be opened for 25 or 335 Degrees. Other cam dwells are available 
NEMA 7 Rated Cast Aluminum Enclosure for Hazardous Locations. Designed to meet the requirements of NEC code for Class 1, Group D 
A NEMA 9 Rated Enclosure is available at the same cost to meet Groups E,F & G. Specify NEMA 7 or 9 when placing any orders 
Turns required to reset switch 1/8th 
Maximum switch setting @ 9 & 1/4 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)
2000-43B Brake Parts Ametek Gemco Rotary Limit Switch 
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 
2 Independently Adjustable Switches/ Circuits / Cams 
Double Pole Double Throw U.L. Listed Precision Snap Action Switches which can be wired for normally open or closed circuits. 8 Screw Terminals per switch 
Standard Cams allow switch contacts to be opened for 25 or 335 Degrees. Other cam dwells are available 
NEMA 1 & 12 Enclosure 
Turns required to reset switch 2 
Maximum switch setting @ 95 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)
2000-47B Brake Parts Ametek Gemco Rotary Limit Switch 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
30 to 1 Ratio Gear Ratio, the cam block rotates once every 30 turns of the main shaft 
2 Independently Adjustable Switches/ Circuits / Cams 
Double Pole Double Throw U.L. Listed Precision Snap Action Switches which can be wired for normally open or closed circuits. 8 Screw Terminals per switch 
Standard Cams allow switch contacts to be opened for 25 or 335 Degrees. Other cam dwells are available 
NEMA 1 & 12 Enclosure 
Turns required to reset switch 1/2 
Maximum switch setting @ 28 & 1/2 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)
2000-4B Brake Parts Ametek Gemco Rotary Limit Switch 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
40 to 1 Ratio Gear Ratio, the cam block rotates once every 40 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 04537001 
Standard Cams allow switch contacts to be opened for 25 or 335 Degrees. Other cam dwells are available 
NEMA 12 Rated Enclosure 
Turns required to reset switch 1/4 
Maximum switch setting @ 37 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 
(3LBS)
2000-59 Brake Parts Ametek Gemco Series 2000 Worm Gear Type Rotary Limit Switch. 2 Cam, 100 to 1 with Special Cams 54 Degree, SPDT
2000-5B Brake Parts Ametek Gemco Rotary Limit Switch 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
50 to 1 Ratio Gear Ratio, the cam block rotates once every 50 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 04537001 
Standard Cams allow switch contacts to be opened for 25 or 335 Degrees. Other cam dwells are available 
NEMA 12 Rated Enclosure 
Turns required to reset switch 1/4 
Maximum switch setting @ 46 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 
(3LBS)
2000-60B Brake Parts Ametek Gemco Rotary Limit Switch 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
30 to 1 Ratio Gear Ratio, the cam block rotates once every 30 turns of the main shaft 
2 Independently Adjustable Switches/ Circuits / Cams 
Double Pole Double Throw U.L. Listed Precision Snap Action Switches which can be wired for normally open or closed circuits. 8 Screw Terminals per switch 
Standard Cams allow switch contacts to be opened for 25 or 335 Degrees. Other cam dwells are available 
NEMA 7 Rated Cast Aluminum Enclosure for Hazardous Locations. Designed to meet the requirements of NEC code for Class 1, Group D 
Turns required to reset switch 1/2 
Maximum switch setting @ 28 & 1/2 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)
2000-6B Brake Parts Ametek Gemco Rotary Limit Switch 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
60 to 1 Ratio Gear Ratio, the cam block rotates once every 60 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 04537001 
Standard Cams allow switch contacts to be opened for 25 or 335 Degrees. Other cam dwells are available 
NEMA 12 Rated Enclosure 
Turns required to reset switch 1 & 1/2 
Maximum switch setting @ 58 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 
(3LBS)
2000-73B Brake Parts Ametek Gemco Rotary Limit Switch 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
50 to 1 Ratio Gear Ratio, the cam block rotates once every 50 turns of the main shaft 
2 Independently Adjustable Switches/ Circuits / Cams 
Double Pole Double Throw U.L. Listed Precision Snap Action Switches which can be wired for normally open or closed circuits. 8 Screw Terminals per switch 
Standard Cams allow switch contacts to be opened for 25 or 335 Degrees. Other cam dwells are available 
NEMA 1 & 12 Enclosure 
Turns required to reset switch 3/4 
Maximum switch setting @ 46 & 3/4 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)
2000-75B Brake Parts Ametek Gemco Rotary Limit Switch 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
60 to 1 Ratio Gear Ratio, the cam block rotates once every 60 turns of the main shaft 
2 Independently Adjustable Switches/ Circuits / Cams 
Double Pole Double Throw U.L. Listed Precision Snap Action Switches which can be wired for normally open or closed circuits. 8 Screw Terminals per switch 
Standard Cams allow switch contacts to be opened for 25 or 335 Degrees. Other cam dwells are available 
NEMA 1 & 12 Enclosure 
Turns required to reset switch 1 & 1/2 
Maximum switch setting @ 58 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)
2000-77B Brake Parts Ametek Gemco Rotary Limit Switch 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
80 to 1 Ratio Gear Ratio, the cam block rotates once every 80 turns of the main shaft 
2 Independently Adjustable Switches/ Circuits / Cams 
Double Pole Double Throw U.L. Listed Precision Snap Action Switches which can be wired for normally open or closed circuits. 8 Screw Terminals per switch 
Standard Cams allow switch contacts to be opened for 25 or 335 Degrees. Other cam dwells are available 
NEMA 1 & 12 Enclosure 
Turns required to reset switch 1 & 3/4 
Maximum switch setting @ 75 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)
2000-7B Brake Parts Ametek Gemco Rotary Limit Switch 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
80 to 1 Ratio Gear Ratio, the cam block rotates once every 80 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 04537001 
Standard Cams allow switch contacts to be opened for 25 or 335 Degrees. Other cam dwells are available 
NEMA 12 Rated Enclosure 
Turns required to reset switch 3/4 
Maximum switch setting @ 77 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 
(3LBS)
2000-800 Brake Parts Ametek Gemco Rotary Limit Switch 
2000-800 Spur Gear Type for Ultra Sensitive Control of Small Increments of Motion 
2 Independent Circuit / Cams / Switches 
S.P.D.T. Snap Action U.L. Listed Switches # 04537001 & 04537002 
Basic Switch Data see Table 2 Symbol A on Page 13 
NEMA 1 & 12 Rated Die Cast Enclosure with Fibralloy Cover 
1 to 1 Input Shaft Ratio, Every 1 Turns of the Main Shaft Cam Rotates Once 
1/2 Inch Diameter Main Shaft which Extends 1 & 1/2 Inch from Enclosure 
Includes Keyway & a #404 Woodruff Key 
3/4 -14 N.P.T. Electrical Entrance 
(4LBS)
2000-801 Brake Parts Ametek Gemco Rotary Limit Switch 
2000-801 Spur Gear Type for Ultra Sensitive Control of Small Increments of Motion 
2 Independent Circuit / Cams / Switches 
S.P.D.T. Snap Action U.L. Listed Switches 
Basic Switch Data see Table 2 Symbol A on Page 13 
NEMA 1 & 12 Rated Die Cast Enclosure with Fibralloy Cover 
1/2 to 1 Input Shaft Ratio, Every 1/2 Turns of the Main Shaft Cam Rotates Once 
1/2 Inch Diameter Main Shaft which Extends 1 & 1/2 Inch from Enclosure 
Includes Keyway & a #404 Woodruff Key 
3/4 -14 N.P.T. Electrical Entrance 
(4LBS)
2000-802 Brake Parts Ametek Gemco Rotary Limit Switch 
2000-802 Spur Gear Type for Ultra Sensitive Control of Small Increments of Motion 
2 Independent Circuit / Cams / Switches 
S.P.D.T. Snap Action U.L. Listed Switches 
Basic Switch Data see Table 2 Symbol A on Page 13 
NEMA 1 & 12 Rated Die Cast Enclosure with Fibralloy Cover 
1/3 to 1 Input Shaft Ratio, Every 1/3 Turns of the Main Shaft Cam Rotates Once 
1/2 Inch Diameter Main Shaft which Extends 1 & 1/2 Inch from Enclosure 
Includes Keyway & a #404 Woodruff Key 
3/4 -14 N.P.T. Electrical Entrance 
(4LBS)
2000-803 Brake Parts Ametek Gemco Rotary Limit Switch 
2000-803 Spur Gear Type for Ultra Sensitive Control of Small Increments of Motion 
2 Independent Circuit / Cams / Switches 
S.P.D.T. Snap Action U.L. Listed Switches  
Basic Switch Data see Table 2 Symbol A on Page 13 
NEMA 1 & 12 Rated Die Cast Enclosure with Fibralloy Cover 
2 to 1 Input Shaft Ratio, Every 2 Turns of the Main Shaft Cam Rotates Once 
1/2 Inch Diameter Main Shaft which Extends 1 & 1/2 Inch from Enclosure 
Includes Keyway & a #404 Woodruff Key 
3/4 -14 N.P.T. Electrical Entrance 
(4LBS)
2000-804 Brake Parts Ametek Gemco Rotary Limit Switch 
2000-804 Spur Gear Type for Ultra Sensitive Control of Small Increments of Motion 
2 Independent Circuit / Cams / Switches 
S.P.D.T. Snap Action U.L. Listed Switches  
Basic Switch Data see Table 2 Symbol A on Page 13 
NEMA 1 & 12 Rated Die Cast Enclosure with Fibralloy Cover 
3 to 1 Input Shaft Ratio, Every 3 Turns of the Main Shaft Cam Rotates Once 
1/2 Inch Diameter Main Shaft which Extends 1 & 1/2 Inch from Enclosure 
Includes Keyway & a #404 Woodruff Key 
3/4 -14 N.P.T. Electrical Entrance 
(4LBS)
2000-805 Brake Parts Ametek Gemco Rotary Limit Switch 
2000-805 Spur Gear Type for Ultra Sensitive Control of Small Increments of Motion 
2 Independent Circuit / Cams / Switches 
D.P.D.T. Snap Action U.L. Listed Switches 
Basic Switch Data see Table 2 Symbol B on Page 13 
NEMA 1 & 12 Rated Die Cast Enclosure with Fibralloy Cover 
1 to 1 Input Shaft Ratio, Every 1 Turns of the Main Shaft Cam Rotates Once 
Maximum Turns to set the switch 0.9, minimum 0.05, 0.025 to reset the switch 
1/2 Inch Diameter Main Shaft which Extends 1 & 1/2 Inch from Enclosure 
Includes Keyway & a #404 Woodruff Key 
3/4 -14 N.P.T. Electrical Entrance 
(4LBS)
2000-807 Brake Parts Ametek Gemco Rotary Limit Switch 
2000-807 Spur Gear Type for Ultra Sensitive Control of Small Increments of Motion 
2 Independent Circuit / Cams / Switches 
D.P.D.T. Snap Action U.L. Listed Switches 
Basic Switch Data see Table 2 Symbol B on Page 13 
NEMA 1 & 12 Rated Die Cast Enclosure with Fibralloy Cover 
1/3 to 1 Input Shaft Ratio, Every 1/3 Turn of the Main Shaft Cam Rotates Once 
Maximum Turns to set the switch .3, minimum 0.106, 0.008 to reset the switch 
1/2 Inch Diameter Main Shaft which Extends 1 & 1/2 Inch from Enclosure 
Includes Keyway & a #404 Woodruff Key 
3/4 -14 N.P.T. Electrical Entrance 
(4LBS)
2000-808 Brake Parts Ametek Gemco Rotary Limit Switch 
2000-808 Spur Gear Type for Ultra Sensitive Control of Small Increments of Motion 
2 Independent Circuit / Cams / Switches 
D.P.D.T. Snap Action U.L. Listed Switches 
Basic Switch Data see Table 2 Symbol B on Page 13 
NEMA 1 & 12 Rated Die Cast Enclosure with Fibralloy Cover 
2 to 1 Input Shaft Ratio, Every 2 Turns of the Main Shaft Cam Rotates Once 
Maximum Turns to set the switch 1.8, minimum 0.1, 0.050 to reset the switch 
1/2 Inch Diameter Main Shaft which Extends 1 & 1/2 Inch from Enclosure 
Includes Keyway & a #404 Woodruff Key 
3/4 -14 N.P.T. Electrical Entrance 
(4LBS)
2000-809 Brake Parts Ametek Gemco Rotary Limit Switch 
2000-809 Spur Gear Type for Ultra Sensitive Control of Small Increments of Motion 
2 Independent Circuit / Cams / Switches 
D.P.D.T. Snap Action U.L. Listed Switches 
Basic Switch Data see Table 2 Symbol B on Page 13 
NEMA 1 & 12 Rated Die Cast Enclosure with Fibralloy Cover 
3 to 1 Input Shaft Ratio, Every 3 Turns of the Main Shaft Cam Rotates Once 
Maximum Turns to set the switch 2.7, minimum 0.15, 0.075 to reset the switch 
1/2 Inch Diameter Main Shaft which Extends 1 & 1/2 Inch from Enclosure 
Includes Keyway & a #404 Woodruff Key 
3/4 -14 N.P.T. Electrical Entrance 
(4LBS)
2000-813 Brake Parts Ametek Gemco Rotary Limit Switch 
2000-818 Spur Gear Type for Ultra Sensitive Control of Small Increments of Motion 
3 Independent Circuits / Cams / Switches 
S.P.D.T. Snap Action U.L. Listed Switches # 04537004 
Basic Switch Data see Table 2 Symbol C on Page 13 
NEMA 1 & 12 Rated Die Cast Enclosure with Fibralloy Cover 
2 to 1 Input Shaft Ratio, Every Two Turns of the Main Shaft the Cam Block Rotates Once 
1/2 Inch Diameter Main Shaft which Extends 1 & 1/2 Inch from the Enclosure 
Includes Woodruff Keyway & a #404 Woodruff Key 
0.0120 Turns to Reset 
0.050 Turns to Reset 
3/4 -14 N.P.T. Electrical Entrance 
(4LBS)
2000-814 Brake Parts Ametek Gemco Rotary Limit Switch 
2000-814 Spur Gear Type for Ultra Sensitive Control of Small Increments of Motion 
3 Independent Circuits / Cams / Switches 
S.P.D.T. Snap Action U.L. Listed Switches # 04537004 
Basic Switch Data see Table 2 Symbol C on Page 13 
NEMA 1 & 12 Rated Die Cast Enclosure with Fibralloy Cover 
3 to 1 Input Shaft Ratio, Every 3 Turns of the Main Shaft the Cam Block Rotates Once 
1/2 Inch Diameter Main Shaft which Extends 1 & 1/2 Inch from the Enclosure 
Includes Woodruff Keyway & a #404 Woodruff Key 
0.075 Turns to Reset 
3/4 -14 N.P.T. Electrical Entrance 
(4LBS)
2000-815 Brake Parts Ametek Gemco Rotary Limit Switch 
2000-815 Spur Gear Type for Ultra Sensitive Control of Small Increments of Motion 
4 Independent Circuits / Cams / Switches 
S.P.D.T. Snap Action U.L. Listed Switches # 
Basic Switch Data see Table 2 Symbol C on Page 13 
NEMA 1 & 12 Rated Die Cast Enclosure with Fibralloy Cover 
1 to 1 Input Shaft Ratio, Every Turn of the Main Shaft the Cam Block Rotates Once 
1/2 Inch Diameter Main Shaft which Extends 1 & 1/2 Inch from the Enclosure 
Includes Woodruff Keyway & a #404 Woodruff Key 
0.025 Turns to Reset the Switch 
3/4 -14 N.P.T. Electrical Entrance 
(4LBS)
Updated on April 3rd 2019
2509 Cassens Drive
Fenton, MO 63026
Toll Free: (888) SPECTECH
Phone: (636) 537-0202
Fax: (636) 537-1405
E:mail: [email protected]