Honeywell Damper Actuator, 24 VAC +/-20%, 50/60 Hz, 1.8 V-A Driving VA, Screw Terminal Electrical Connection, 90 sec at 60 Hz Driving Timing, Steel Plate and Plenum Rated Plastic, 35 in-lb, 70 in-lb Additional Torque, 45 dBA at 1 min, 20 - 125 deg F Ambient, NEMA 1 Enclosure, 5 - 95% RH Non-Condensing Humidity, 3.39 in W x 5.55 in H x 2.52 in D, SPDT, On-Off, Floating Control Signal, Direct Coupled Mounting, Declutch Mechanism Operator, 90 deg Stroke