GRD121.1U Siemens Actuator

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

Standard

Torque

30 lb-in

Fail Safe

Yes

Spring return function

Spring return function

Control Signal

2-position

Positioning time

Operating: 30 s runtime for 90 °; Closing (power loss with spring return: 15 s max

Power consumption

Running: ~14 VA/8W, Holding: ~4 VA/2 W

Ambient temperature, operation

-18…60 °C; 0…140 ºF

Ambient humidity, operation

Maximum 95% rh non-condensing

Angular rotation

95°

Operating voltage

24 VAC/DC

Supply Voltage

24 VAC/DC

Frequency

50/60 Hz

Auxiliary Switch

No

Cable length

3 ft

Dimensions (W x H x D)

3.5 x 8.5 x 3 in

Material, housing

NEMA 1, plenum-rated plastic

Degree of protection

IP40

Standard

UL60730; cUL CSA 60730; CE conformity for Residential, Commercial, and Industrial