Siemens Actuator: Dampers, On/Off, Spring Return, 160 in-lb, 24V AC/DC, Hardwired
The Siemens GCA121.1U is a fail-safe damper actuator with spring return, featuring a self-centering shaft coupling and CW/CCW rotation. It operates on 24V AC/DC input with a 5W power rating and provides a 0 to 10V DC…
SKU 3G-OTH-67696
Also listed as: GCA1211U · GCA121 1U · GCA121-1U
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- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Product Description
The Siemens GCA121.1U is a fail-safe damper actuator with spring return, featuring a self-centering shaft coupling and CW/CCW rotation. It operates on 24V AC/DC input with a 5W power rating and provides a 0 to 10V DC output signal. This hardwired actuator is building automation system compatible and has a NEMA 2 / IP54 enclosure rating.
Frequently Asked Questions
What is the Siemens GCA121.1U damper actuator used for?
The Siemens GCA121.1U is a fail-safe damper actuator with spring return, designed for building automation systems. It controls HVAC dampers in commercial or industrial environments, providing on/off operation with 160 in-lb torque at 24V AC/DC. Its self-centering shaft coupling and CW/CCW rotation simplify installation on various damper shafts.
What are the specifications of the Siemens GCA121.1U actuator?
The Siemens GCA121.1U is an on/off, spring return damper actuator with 160 in-lb torque. It operates on 24V AC/DC input, consumes 5W, and provides a 0 to 10V DC output signal. It features a self-centering shaft coupling, CW/CCW rotation, hardwired connection, and a NEMA 2 / IP54 enclosure. It is not plenum rated.
Where to buy the Siemens GCA121.1U actuator worldwide?
3G Electric supplies the Siemens GCA121.1U damper actuator to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this fail-safe spring return actuator for building automation systems.
How to install the Siemens GCA121.1U spring return actuator?
Install the Siemens GCA121.1U by mounting it on the damper shaft using the self-centering coupling, ensuring CW/CCW rotation matches damper direction. Wire the 24V AC/DC input and 0 to 10V DC output per the wiring diagram. Verify spring return action for fail-safe operation. Always follow local codes and the manufacturer's manual.
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3G Electric supplies Siemens fail-safe actuators with spring return. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
