Fail safe actuator:
Equipped with an internal electric clutch and return spring, the 6531 will return to neutral / idle upon power failure. This actuator is intended to handle medium duty positioning functions. It has 90 degrees of rotation and a maximum torque of 150 in. lbs at the output .
The 6531 comes with either a 12 or 24 volt DC motor and allows for control of a single function only.