• Murphy

CO3

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.

Specifications Downloads
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Specifications Drawer: 

Voltage:
CO3-12: 12 VDC, negative ground.
CO3-24: 24 VDC, negative ground.

Travel (adjustable): 6 in. (152 mm) max.

Case Material: Cast aluminum.

Built-in Circuit Breaker: 20 A.

Operating Force:
CO3-12: 250 lb-f (1112N) max.
CO3-24: 500 lb-f (2224N) max.

Duty Cycle @ 77°F (25°C):
CO3-12: 40% max. @ 125 lb-f (556N) to 25% @ 250 lb-f (1112N).
CO3-24: 100% max. @ 75 lb-f (334N) to 25% @ 500 lb-f (2224N).

Speed:
CO3-12: 1.2 in./sec (3 cm/sec.) @ 0 lb-f to 1.00 in./sec. (1 cm/sec.) @ 250 lb-f (1112N).
CO3-24: 2.4 in./sec (6 cm/sec.) @ 0 lb-f to 1.35 in./sec. (3 cm/sec.) @ 500 lb-f (2224N).

Drive: Self-locking ACME screw.

Current:
CO3-12: 20 amp max.
CO3-24: 14 amp max.

Operating Temperature: -15 to 150°F (-26 to 66°C).

Shipping Weight: 40 lb (18.1 kg).

Shipping Dimensions: 25 x 14-1/2 x 12 in. (635 x 368 x 305 mm).

Additional product documentation can be found on our product support website or by clicking the Help Center button above.