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Siemens Actuator: Dampers, On/Off, Spring Return, 160 in-lb, 24V AC/DC, Hardwired - Fail-Safe Actuators with Spring Return
SiemensFail-Safe Actuators with Spring Return

Siemens Actuator: Dampers, On/Off, Spring Return, 160 in-lb, 24V AC/DC, Hardwired

The Siemens GCA126.1U is a fail-safe damper actuator with spring return, featuring a self-centering shaft coupling and CW/CCW rotation. It operates on 24V AC/DC with a 5W power rating, provides a 0 to 10V DC output…

SKU 3G-OTH-68126

Also listed as: GCA1261U · GCA126 1U · GCA126-1U

Brand
Siemens
Item
Actuator: Dampers, On/Off, Spring Return, 160 in-lb, 24V AC/DC, Hardwired
Category
Fail-Safe Actuators with Spring Return
Available to Order
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Technical specs
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

Siemens
Manufacturer Part Number
GCA126.1U
Type
On/Off, Spring Return, 160 in-lb, Hardwired, NEMA 2 / IP54
AC/DC
24V
Shaft Type
Self-Centering Shaft Coupling
Power Rating
5W
Input Voltage
24V AC/DC
Output Signal
0 to 10V DC
Plenum Rating
Not Plenum Rated
Shaft Rotation
CW/CCW
Auxiliary Switch Included
Yes
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

The Siemens GCA126.1U is a fail-safe damper actuator with spring return, featuring a self-centering shaft coupling and CW/CCW rotation. It operates on 24V AC/DC 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 has a NEMA 2 / IP54 rating.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the Siemens GCA126.1U damper actuator used for?

The Siemens GCA126.1U is a fail-safe spring return actuator used to control dampers in HVAC building automation systems. It provides 160 in-lb torque for on/off damper positioning, with a self-centering shaft coupling and CW/CCW rotation, ensuring reliable operation in commercial and industrial ventilation applications.

What are the specifications of the Siemens GCA126.1U actuator?

The Siemens GCA126.1U operates on 24V AC/DC with a 5W power rating, delivers 160 in-lb torque, and includes a 0 to 10V DC output signal and an auxiliary switch. It features a self-centering shaft coupling, CW/CCW rotation, hardwired connection, and a NEMA 2 / IP54 enclosure rating. It is not plenum rated.

Where to buy the Siemens GCA126.1U actuator worldwide?

You can source the Siemens GCA126.1U damper actuator through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply genuine Siemens components for building automation systems.

How to install the Siemens GCA126.1U spring return actuator?

Mount the Siemens GCA126.1U directly onto the damper shaft using its self-centering coupling, ensuring CW/CCW rotation matches damper direction. Connect 24V AC/DC power and control wiring per the hardwired terminal diagram. Verify the auxiliary switch and 0 to 10V DC output signal function before commissioning. Follow Siemens installation guidelines for proper fail-safe operation.

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

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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