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Siemens GMA161.1U Proportional Spring Return Damper Actuator - Fail-Safe Actuators with Spring Return
SiemensFail-Safe Actuators with Spring Return

Siemens GMA161.1U Proportional Spring Return Damper Actuator

<p>The Siemens GMA161.1U is a proportional spring return damper actuator designed for precise control in building automation systems. It delivers 62 in-lb of torque, operates on 24V AC/DC, and features a…

SKU 3G-OTH-67586

Also listed as: GMA1611U · GMA161 1U · GMA161-1U

Brand
Siemens
Item
GMA161.1U Proportional Spring Return Damper Actuator
Part Number
GMA161.1U
Category
Fail-Safe Actuators with Spring Return
Available to Order
Also known as:GMA161.1USiemens
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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

Technical Specifications

Siemens
Manufacturer Part Number
GMA161.1U
Type
Proportional, Spring Return, 62 in-lb, Hardwired, NEMA 1 / IP54
AC/DC
24V
Shaft Type
Self-Centering Shaft Coupling
Power Rating
3.5W
Input Voltage
24V AC/DC
Output Signal
0 to 10V DC
Plenum Rating
Not Plenum Rated
Shaft Rotation
CW/CCW
Auxiliary Switch Included
No
Electrical Connection Type
Hardwired
For Use With Building Automation Systems
Building Automation System Compatible

Technical Documents

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Siemens Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

<p>The Siemens GMA161.1U is a proportional spring return damper actuator designed for precise control in building automation systems. It delivers 62 in-lb of torque, operates on 24V AC/DC, and features a self-centering shaft coupling for easy installation. The actuator is hardwired with a 0-10V DC output signal, making it compatible with standard BAS controllers. It is rated NEMA 1/IP54 for indoor use, though it is not plenum rated.</p><p>Ideal for HVAC applications requiring fail-safe operation, this actuator ensures damper closure on power loss. As a Singapore-based supplier, 3G Electric offers SGD quotes on request, handles GST for local buyers, and provides fast delivery across Singapore and Southeast Asia.</p>

Frequently Asked Questions

What is the output signal and power rating of the GMA161.1U?

The GMA161.1U provides a 0-10V DC output signal and has a power rating of 3.5W, operating on 24V AC/DC.

Is the GMA161.1U plenum rated and does it include an auxiliary switch?

No, the GMA161.1U is not plenum rated and does not include an auxiliary switch. It is rated NEMA 1/IP54 and is hardwired.

Used in

Common applications for Siemens
District cooling plants — LME73 + RWF55 for condenser-water modulation
Inflight catering and food-processing steam boilers — LMG22 with SQN90 air-fuel cross-damper
Hospital steam-plant redundancy — LME41 with QRA2 UV flame detection for dual-fuel boilers
Semiconductor fab process heat — LME23 and SKP55 gas valves on hot-oil heater skids
Container-terminal reefer-deck heating — LMG22 retrofit onto legacy burner racks
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Siemens 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.

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