Siemens GJD321.1U : Spring Return Fire and Smoke Damper Actuator, 230VAC, 20 LB-in Torque, 2-Position On/Off Control Signal, 30-second Run Time, 15-second Spring Return Time
The Siemens OpenAirª GJD321.1U is a fast-acting, 2-position, spring-return actuator designed for UL-listed smoke control and combination fire/smoke dampers. It provides 20 lb-in minimum torque with a 30-second drive and 15-second spring return. This 230 VAC model is pre-cabled (3 ft) and supports an optional Electronic Fusible Link (EFL) accessory. Backed by Siemens' 5-year actuator warranty.
Specifications:
|
Actuator Type
|
Electronic Fire and Smoke
|
|
Actuation Style
|
Rotary |
|
Control or Fire/Smoke Type
|
Fire/Smoke Control Damper
|
|
Electronic Fusible Link (EFL)
|
YES |
|
Plenum or Standard Rating
|
Plenum-rated |
| Torque |
20 lb-in
|
|
Fail Safe
|
Yes |
|
Spring return function
|
Yes (spring return) |
|
Control Signal
|
2-position
|
|
Positioning time
|
Operating: 30 s, Closing (power loss) with spring return: Typical 15 s
|
|
Position feedback
|
No |
|
Power consumption
|
Running: 12 VA / 5 W, Holding: 7 VA / 3 W |
|
Ambient temperature, operation
|
165º F (74º C), 252º F (100º C), and 250º F (121º C)
|
|
Angular rotation
|
95°
|
|
Operating voltage
|
230VAC
|
|
Supply Voltage
|
230VAC
|
|
Frequency
|
50/60 Hz
|
|
Auxiliary Switch
|
No |
|
Cable length
|
3 ft
|
|
Dimensions (W x H x D)
|
2.83 x 5.61 x 2.48 in
|
|
Material, housing
|
NEMA 1, plenum-rated plastic
|
| Standard | UL60730; cUL CSA 60730; CE conformity for Residential, Commercial, and Industrial environments |
| Stall Torque | 35 lb-in (minimum) |
| Damper shaft size | 1/2-inch (13 mm) round |
| Enclosure | NEMA 1 / IP40 |
| Housing material | Plenum-rated plastic |
| Weight | 1.32 lbs (0.60 kg) |
| Country of Origin | USA |
Datasheets
- Actuator Type:
- Fire & Smoke Actuator
- Voltage:
- 230VAC
- Control Signal:
- On/Off
- Auxillary Switch:
- No