Actuator, Valve Application Damper and Valve, Signal Type Proportional, Rated Torque 320 in-lb, Input Voltage 24V AC/DC, Output Signal 0 to 10V DC, 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 90 sec, Shaft Type 3/8 in to 1 in Round or 5/16 in to 5/8 in Square, Shaft Rotation CW/CCW, Stroke Degree 94 Degrees