Actuator, Valve Application Damper, Signal Type Proportional, Rated Torque 221 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 Non-Spring Return, Time to Close 150 sec, Shaft Type Self-Centering, Shaft Rotation CW/CCW, Stroke Degree 90 Degrees , Mounting Type Direct Mount