Siemens GMA166.1U Proportional Spring Return Actuator, 62 in-lb, 24V AC/DC
The Siemens GMA166.1U is a proportional, spring-return fail-safe damper actuator with a self-centering shaft coupling, rated at 62 in-lb and 3.5W. It operates on 24V AC/DC input, provides a 0 to 10V DC output signal…
SKU 3G-OTH-67603
Also listed as: GMA1661U · GMA166 1U · GMA166-1U
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- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Product Description
The Siemens GMA166.1U is a proportional, spring-return fail-safe damper actuator with a self-centering shaft coupling, rated at 62 in-lb and 3.5W. It operates on 24V AC/DC input, provides a 0 to 10V DC output signal, and supports CW/CCW shaft rotation. This hardwired actuator includes an auxiliary switch, is NEMA 1 / IP54 rated, and is compatible with building automation systems.
Frequently Asked Questions
What is the Siemens GMA166.1U actuator used for?
The Siemens GMA166.1U is a proportional, spring-return fail-safe damper actuator used in building automation systems to control HVAC dampers. It provides 62 in-lb torque, operates on 24V AC/DC, and includes a self-centering shaft coupling for reliable positioning in commercial air-handling applications.
What are the specifications of the Siemens GMA166.1U?
The Siemens GMA166.1U is a proportional spring-return actuator rated at 62 in-lb and 3.5W. It accepts 24V AC/DC input, outputs a 0 to 10V DC signal, and features a self-centering shaft coupling with CW/CCW rotation. It is hardwired, NEMA 1 / IP54 rated, and includes an auxiliary switch.
Where to buy the Siemens GMA166.1U worldwide?
3G Electric supplies the Siemens GMA166.1U damper actuator worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time; we source and deliver this actuator to any international destination.
How to install the Siemens GMA166.1U actuator?
Mount the Siemens GMA166.1U directly onto the damper shaft using its self-centering coupling. Ensure 24V AC/DC power is disconnected during wiring. Connect control signal wires per the hardwired terminal diagram. After installation, verify spring-return operation and auxiliary switch function before commissioning the building automation system.
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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.
