Siemens GQD221.1U : Electronic Spring Return Rotary Damper Actuator, 20 in-lb. Torque, 15 Sec/30 Sec. At 50/60 Hz, 2-Position (Open/Closed), 120VAC
| Control or Fire/Smoke Type | Control Damper |
| Torque | 20 lb-in |
| Positioning time | Open:30 s, Close:15 s |
| Position feedback | No |
| Power consumption | Running: 10 VA, Holding: 7 VA |
| Ambient humidity, operation | 95 % r.h. |
| Angular rotation | 90° |
| Operating voltage | 120VAC |
| Frequency | 50/60 Hz |
| Cable length | 3 ft |
| Dimensions (W x H x D) | 2.72 x 5.5 x 2.47 in |
| Material, housing | NEMA 1, plenum-rated rugged plastic, IP40 |
| Degree of protection | IP40 |
Datasheets