Actuator, Valve Application Damper, Signal Type Proportional, Rated Torque 35 in-lb, Input Voltage 24V AC/DC, Output Signal Not Applicable, Contact Form Not Applicable, Electrical Connection Type Hardwired, For Use With Building Automation Systems Building Automation System Compatible, NEMA Rating 2, IP Rating IP54, Spring Return Spring Return, Time to Close 150 sec, Shaft Type 3/8 in to 1/2 in Round or 3/8 in to 7/16 in Square, Shaft Rotation CW/CCW, Stroke Degree 95 Degrees