Actuator, Valve Application Damper, Signal Type On/Off, Rated Torque 27 in-lb, Input Voltage 24V AC/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 Spring Return, Time to Close 60 sec, Shaft Type Self-Centering Clamping, Shaft Rotation CW/CCW, Stroke Degree 95 Degrees , Mounting Type Direct Mount, Maximum Operating Temperature 140 Degrees F