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manufacturer:
Siemens
mpn:
GRD221.1U
Product Description
Siemens - GRD221.1U Damper Actuator | Spring Return | 120 VAC | On/Off | 30 lb-inFire and Smoke Damper Actuator 30 lb-in, Spring Return, 2-Position, 120V
GRD221.1U 30 lb-in, Spring Return, 2-Position, 120V, Fire-Smoke
Additional Information
Actuator TypeElectronic Fire and Smoke
Actuation StyleRotary
Control or Fire/Smoke TypeFire/Smoke Control Damper
Electronic Fusible Link (EFL)YES
Plenum or Standard RatingStandard
Torque30 lb-in
Fail SafeYes
Spring return functionSpring return function
Control Signal2-position
Positioning timeOperating: 30 s runtime for 90 °; Closing (power loss with spring return: 15 s max
Power consumptionRunning: ~12 VA, Holding: ~4 VA
Ambient temperature, operation-18…60 °C; 0…140 ºF
Ambient humidity, operationMaximum 95% rh non-condensing
Angular rotation95°
Operating voltage120 VAC
Supply Voltage120 VAC
Frequency50/60 Hz
Auxiliary SwitchNo
Cable length3 ft
Dimensions (W x H x D)3.5 x 8.5 x 3 in
Material, housingNEMA 1, plenum-rated plastic
Degree of protectionIP40
StandardUL60730; cUL CSA 60730; CE conformity for Residential, Commercial, and Industrial