Siemens GCA121.1U Damper Actuator

Siemens GCA121.1U Damper Actuator, rotary, spring return, 160 lb-in (18 Nm), 24 Vac/dc, 2-position control, 90 sec run time. Torque: 160 lb-in (18 Nm) Failure Mode: Spring Return Angular rotation: 90° Control Signal: 2-Position Positioning time: Open:90 s, Close:15 s Position feedback: No Operating voltage: 24V AC/DC  Power consumption: Running: 7 VA / 5 W, Holding: 5 VA / 3 W Ambient humidity, operation: 95 % r.h. Auxiliary Switch: None Cable length: 3 ft Dimensions (W x H x D): 4.75 x 11.81 x 2.88 in Material, housing: Die-cast aluminum alloy enclosure Degree of protection: NEMA 2 / IP54