Siemens Actuator: Dampers, Proportional, Spring Return, 160 in-lb, 24V AC/DC, Hardwired
The Siemens GCA166.1U is a fail-safe spring-return damper actuator with a self-centering shaft coupling, designed for building automation systems. It operates on 24V AC/DC with a 5W power rating, provides a 0 to 10V…
SKU 3G-OTH-67742
Also listed as: GCA1661U · GCA166 1U · GCA166-1U
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 GCA166.1U is a fail-safe spring-return damper actuator with a self-centering shaft coupling, designed for building automation systems. It operates on 24V AC/DC with a 5W power rating, provides a 0 to 10V DC output signal, and includes an auxiliary switch. The actuator is hardwired, rated NEMA 2 / IP54, and supports CW/CCW shaft rotation.
Frequently Asked Questions
What is the Siemens GCA166.1U actuator used for?
The Siemens GCA166.1U is a fail-safe spring-return damper actuator used in building automation systems to control air dampers in HVAC applications. It provides proportional positioning with a 0 to 10V DC output signal and includes an auxiliary switch for status feedback.
What are the specifications of the Siemens GCA166.1U?
The Siemens GCA166.1U operates on 24V AC/DC with a 5W power rating, delivers 160 in-lb torque, and features a self-centering shaft coupling. It is hardwired, rated NEMA 2 / IP54, supports CW/CCW rotation, and includes an auxiliary switch. Output signal is 0 to 10V DC.
Where to buy the Siemens GCA166.1U worldwide?
3G Electric supplies the Siemens GCA166.1U damper actuator to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this proportional spring-return actuator.
How to install the Siemens GCA166.1U spring-return actuator?
Mount the actuator directly onto the damper shaft using the self-centering coupling, ensuring the shaft rotates freely. Connect 24V AC/DC power and the 0 to 10V DC control signal per wiring diagram. Verify spring-return direction (CW/CCW) before commissioning.
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.
