Honeywell Damper Actuator, 24 VAC, 50/60 Hz, 6/3 V-A Driving VA, Enclosed Screw Terminal Strip (22 - 14 AWG) Electrical Connection, 15 sec Nominal at 60 Hz Driving, 25 sec Spring Return Timing, Plastic, 44 in-lb Torque, 95 kohm Minimum Input, 40 dBA Driving, 20 dBA Holding, -40 to 149 deg F Ambient, NEMA 2, IP54 Enclosure, 5 - 95% RH Non-Condensing Humidity, 3-55/84 in W x 6-81/54 in H x 3-5/32 in D, 3-Position SPDT, Floating, 3 kohm, 2 - 10 VDC at 4 - 20 mA, On-Off Control Signal, Direct Coupled Mounting, 3/8 - 5/8 in Round or 1/4 - 1/2 in Square Shaft, 95 +/-3 deg Stroke