Actuator, Valve Application Damper, Signal Type On/Off, Rated Torque 175 in-lb, Input Voltage 120V AC, Contact Form SPST, Electrical Connection Type Hardwired, NEMA Rating 2, IP Rating IP54, Spring Return Spring Return, Smoke Application Rating Smoke Application Rated, Fire Application Rating Fire Application Rated, Time to Close 15 sec, Shaft Type 3/8 in to 1-3/8 in Round or 3/8 in to 11/16 in Square, Shaft Rotation CW/CCW, Stroke Degree 95 Degrees , Mounting Type Direct Mount