Actuator Valve Application Damper Signal Type Proportional Rated Torque 160 in-lb Input Voltage 7 to 28.8V 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 Smoke Application Rating Smoke Application Rated Fire Application Rating Fire Application Rated Time to Close 15 sec Shaft Type Self-Centering