MS7520A2007 DAMPER

Spring Return Direct Coupled Damper Valve Actuator, 3.94 in. Width, 9.72 in. Height, Material: Aluminum Housing, Plastic Access Cover, 24 VAC Volts, AMP: 4 - 20 mA with 500 Ohm Resistor, Driving- 16, Holding- 5 VA Rating, 175 in-lbs, 300 in-lbs Maximum Stall Torque Rating, Timing: 90 sec. at 60Hz Driving, 20 sec. Spring Return, Number of Auxiliary Switch: 0 (Internal), 50/60Hz Frequency Rating, Depth: 2.95 in., Control Signal: Floating, On/Off SPDT, (0) 2 - 10 VDC Feedback, Electrical Connection: Enclosed Screw Terminal Strip (22 - 14 awg), Shaft: 3/8 - 1.06 in. Round or 3/8 - 11/16 in. Square, Humidity Range: 5 - 95% RH Non-Condensing, Temperature Rating: -40 to 140F, Noise Rating: 40 dBA at 1m (Driving), 20 dBA at 1m (Holding) (No Audible Noise), NEMA 2 Enclosure