Actuator, Valve Application Damper, Signal Type Proportional, Rated Torque 180 in-lb, Input Voltage 24V AC/DC, Output Signal Not Applicable, 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 95 sec, Shaft Type 1/2 in to 1-3/64 in Round or 13/32 in to 1-3/64 in Square, Shaft Rotation CW/CCW, Stroke Degree 95 Degrees