Actuator, Valve Application Damper and Valve, Signal Type Proportional, Rated Torque 40 in-lb, Input Voltage 24V AC, Output Signal 0 to 10V DC, Contact Form SPDT, Electrical Connection Type Hardwired, For Use With Building Automation Systems Building Automation System Compatible, NEMA Rating 2, IP Rating IP54, Spring Return Non-Spring Return, Time to Close 90 sec, Shaft Type 1/4 in to 5/8 in Round or 1/4 in to 7/16 in Square, Shaft Rotation CW/CCW, Stroke Degree 0 to 95 Degrees