• Engages and Disengages Clutch
  • 250 lb-f (1112N) or 500 lb-f (2224N) Operating Force
  • Compatible with MURPHYMATIC® Engine Controllers
  • Models Available for 12 or 24 Volt Systems
  • Two-Year Limited Warranty
  • Adjustable Stroke

FW Murphy Production Controls offers support for all our products. If you are unable to find the product that you need, please call us at 918-957-1000.

Stage V: 
Product Overview: 

The CO3 is an electrically controlled and driven actuator for automatic operation of two position, lever action equipment. Primarily designed to engage and disengage over-center clutches on engines, the CO3 has a wide variety of applications such as opening and closing of pipeline valves, engagement and disengagement of pumps, fixture positioning in automated process control, etc. The positive action screw-type actuator is fully adjustable for length of stroke up to 6 inches (152 mm). The CO3 motor is equipped with an overload clutch that slips if overloaded. In addition, the motor is protected with an automatic reset thermal overload.

The CO3 is available for 12 or 24 VDC applications and is compatible with MURPHYMATIC® start-stop engine controllers.


  • Engine Disc Clutches
  • Butterfly and Ball Valves
  • Brakes
  • Two Position Lever-Action Equipment

Electro/Mechanical Controllers