CO3-12: Electric Motor Driven Clutch Operator, 12V (40700010)

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SKU: CO3-12 (40700010)

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CO3-12: Electric Motor Driven Clutch Operator, 12V (40700010)

For Engine Automation Systems


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, and fixture positioning in automated process control.

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 VDC applications and is compatible with MurphyMatic® start-stop engine controllers.


Applications Include:


•  Engine disc clutches
•  Butterfly and ball valves
•  Brakes
•  Two position lever-action equipment


Basic Operation:


When the CO3 receives a signal to engage, the heavy-duty DC motor operates to extend the actuator shaft and yoke a predetermined length. Length of extension is controlled by the adjustable cams in the control housing. When disengaging, the motor reverses and retracts the actuator shaft. At engagement end of the stroke, the actuator backs off from its maximum travel to relieve pressure on the clutch or other device.



Sales Bulletin


MurCal is an Authorized Distributor of Murphy by Enovation products.
MurCal provides experienced application and product support, before and after the sale.


For California customers: Prop 65 WARNING: This product may have been manufactured with or uses components that can expose you to chemicals which are known to the State of California to cause cancer. For more information go to


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