Siemens GMA226.1U Fail-Safe Spring Return Damper Actuator
The Siemens GMA226.1U is a fail-safe spring-return damper actuator with a self-centering shaft coupling, designed for 90° stroke and CW/CCW rotation. It operates on 120V AC with a 5W power rating, provides a 0 to 10V…
SKU 3G-OTH-68588
Also listed as: GMA2261U · GMA226 1U · GMA226-1U
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 GMA226.1U is a fail-safe spring-return damper actuator with a self-centering shaft coupling, designed for 90° stroke and CW/CCW rotation. It operates on 120V AC 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 rated NEMA 1 / IP54.
Frequently Asked Questions
What is the Siemens GMA226.1U damper actuator used for?
The Siemens GMA226.1U is a fail-safe spring-return actuator for HVAC dampers in building automation systems. It provides on/off control with 62 in-lb torque, a 90° stroke, and CW/CCW rotation, ensuring reliable damper positioning in commercial or industrial ventilation and air-handling units.
What are the specifications of the Siemens GMA226.1U actuator?
The Siemens GMA226.1U operates on 120V AC with a 5W power rating, features a self-centering shaft coupling, 90° stroke, CW/CCW rotation, and a 0 to 10V DC output signal. It includes an auxiliary switch, is hardwired, and rated NEMA 1 / IP54 for indoor or protected outdoor use.
Where to buy the Siemens GMA226.1U actuator worldwide?
3G Electric supplies the Siemens GMA226.1U 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 fail-safe spring-return actuator for building automation systems.
How to install the Siemens GMA226.1U spring-return actuator?
Mount the actuator on the damper shaft using the self-centering coupling, ensuring free rotation. Connect 120V AC power via hardwired terminals per the wiring diagram. Verify the auxiliary switch and 0 to 10V DC output signal function. Test spring-return operation 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.
