Siemens Actuator: Dampers, Proportional, Spring Return, 62 in-lb, 24V AC/DC, Hardwired
The SIEMENS GMA161.1U is a proportional, spring-return fail-safe damper actuator with a self-centering shaft coupling and 62 in-lb torque. It operates on 24V AC/DC input with a 3.5W power rating and provides a 0 to…
SKU 3G-OTH-67586
Also listed as: GMA1611U · GMA161 1U · GMA161-1U
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 GMA161.1U is a proportional, spring-return fail-safe damper actuator with a self-centering shaft coupling and 62 in-lb torque. It operates on 24V AC/DC input with a 3.5W power rating and provides a 0 to 10V DC output signal. This hardwired actuator supports CW/CCW shaft rotation, is NEMA 1 / IP54 rated, and is compatible with building automation systems.
Frequently Asked Questions
What is the Siemens GMA161.1U actuator used for?
The Siemens GMA161.1U is a proportional spring-return damper actuator used in HVAC building automation systems to control air dampers. It provides fail-safe operation with 62 in-lb torque on 24V AC/DC input, ensuring damper closure during power loss for energy efficiency and safety.
What are the specifications of the Siemens GMA161.1U?
The Siemens GMA161.1U operates on 24V AC/DC with 3.5W power rating, delivers 62 in-lb torque, and provides a 0 to 10V DC output signal. It features a self-centering shaft coupling, CW/CCW rotation, hardwired connection, and NEMA 1 / IP54 enclosure. It is not plenum rated.
Where to buy the Siemens GMA161.1U worldwide?
3G Electric supplies the Siemens GMA161.1U actuator worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time.
How to install the Siemens GMA161.1U damper actuator?
Mount the actuator directly onto the damper shaft using the self-centering coupling. Ensure 24V AC/DC power is disconnected during wiring. Connect hardwired leads per the wiring diagram, verify rotation direction (CW/CCW), and test spring return function 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.
