Electric Valve Actuator, Valve Application Damper and Valve, Signal Type Proportional, Rated Torque 150 lb-in, Input Voltage 120V AC, Electrical Connection Type Screw Terminals, For Use With Building Automation Systems Not Building Automation System Compatible, NEMA Rating 3, Spring Return Non-Spring Return, Time to Close 60 sec, Shaft Type Dual-End 3/8 In. Square, Shaft Rotation CCW, Stroke Degree 160 Degrees , Maximum Operating Temperature 150 Degrees F