Siemens GDE131.1P, OpenAir™ GDE Series Electric Damper Actuator, rotary, non-spring return, 44 lb-in (5 Nm), 24 Vac, floating control, 90 sec run time, plenum rated. Torque: 44 lb-in Angular rotation: 90° Control Type: Floating Position feedback: No Operating voltage: 24 VAC @ 50/60 Hz Power consumption: 2.3 VA Ambient humidity: 95 % r.h. Cable length: 3 ft Degree of protection: NEMA 2, IP54 Dimensions (W x H x D): 2.75 x 5.44 x 2.38 in