Siemens Actuator: Dampers, On/Off, Spring Return, 160 in-lb, 120V AC, Hardwired
The Siemens GCA221.1U is a fail-safe damper actuator with spring return, featuring a self-centering shaft coupling and a 90° stroke with CW/CCW rotation. It operates on 120V AC input with a 0 to 10V DC output signal…
SKU 3G-OTH-67688
Also listed as: GCA2211U · GCA221 1U · GCA221-1U
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
Need installation or engineering help?
Ask a question
Product Description
The Siemens GCA221.1U is a fail-safe damper actuator with spring return, featuring a self-centering shaft coupling and a 90° stroke with CW/CCW rotation. It operates on 120V AC input with a 0 to 10V DC output signal, is hardwired, and is compatible with building automation systems.
Frequently Asked Questions
What is the Siemens GCA221.1U actuator used for?
The Siemens GCA221.1U is a fail-safe damper actuator with spring return, used in HVAC building automation systems to control air dampers. It provides on/off positioning with a 90° stroke and CW/CCW rotation, ensuring reliable operation in commercial and industrial ventilation applications.
What are the specifications of the Siemens GCA221.1U?
The Siemens GCA221.1U operates on 120V AC input with a 0 to 10V DC output signal. It features a self-centering shaft coupling, 160 in-lb torque, spring return, hardwired connection, and NEMA 2 / IP54 enclosure. Stroke is 90° with CW/CCW rotation, compatible with building automation systems.
Where to buy the Siemens GCA221.1U worldwide?
You can source the Siemens GCA221.1U through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply genuine Siemens actuators for building automation projects.
How to install the Siemens GCA221.1U damper actuator?
Mount the Siemens GCA221.1U directly onto the damper shaft using its self-centering coupling. Ensure 120V AC power is disconnected before hardwiring connections. Set rotation direction (CW/CCW) per damper requirements. Test spring return function after installation to confirm fail-safe operation.
Used in
Common applications for SiemensSiemens Products
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.
