Siemens Actuator: Dampers, On/Off, Spring Return, 160 in-lb, 24V AC/DC, Hardwired
The Siemens GCA126.1U 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 with a 5W power rating, provides a 0 to 10V DC output…
SKU 3G-OTH-68126
Also listed as: GCA1261U · GCA126 1U · GCA126-1U
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
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Product Description
The Siemens GCA126.1U 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 with a 5W power rating, provides a 0 to 10V DC output signal, and includes an auxiliary switch. This hardwired actuator is building automation system compatible and has a NEMA 2 / IP54 rating.
Frequently Asked Questions
What is the Siemens GCA126.1U damper actuator used for?
The Siemens GCA126.1U is a fail-safe spring return actuator used to control dampers in HVAC building automation systems. It provides 160 in-lb torque for on/off damper positioning, with a self-centering shaft coupling and CW/CCW rotation, ensuring reliable operation in commercial and industrial ventilation applications.
What are the specifications of the Siemens GCA126.1U actuator?
The Siemens GCA126.1U operates on 24V AC/DC with a 5W power rating, delivers 160 in-lb torque, and includes a 0 to 10V DC output signal and an auxiliary switch. It features a self-centering shaft coupling, CW/CCW rotation, hardwired connection, and a NEMA 2 / IP54 enclosure rating. It is not plenum rated.
Where to buy the Siemens GCA126.1U actuator worldwide?
You can source the Siemens GCA126.1U damper actuator 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 components for building automation systems.
How to install the Siemens GCA126.1U spring return actuator?
Mount the Siemens GCA126.1U directly onto the damper shaft using its self-centering coupling, ensuring CW/CCW rotation matches damper direction. Connect 24V AC/DC power and control wiring per the hardwired terminal diagram. Verify the auxiliary switch and 0 to 10V DC output signal function before commissioning. Follow Siemens installation guidelines for proper 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.
