Siemens GCA121.1U Damper Actuator

(1 customer review)


Siemens GCA121.1U Damper Actuator, Spring Return, 160 lb-in (18 Nm), 24 Vac/dc, 2-position Control, 90 sec Run.

Availability: 2 in stock

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


Product Datasheet / Manual / Installation Instruction documents are provided below:


Submittal Sheet

Installation Instructions


1 review for Siemens GCA121.1U Damper Actuator

  1. David Marks

    One of my fav damper actuator. Reliable, high performance and fail-safe. Just a fantastic product all around.

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Weight 2.3 lbs
Dimensions 4.75 × 3 × 12 in
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