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SiemensFail-Safe Actuators with Spring Return

Siemens Electric Actuator: HVAC Systems, Spring Return, 20 lb-in, 24V AC/DC

The Siemens GQD126.1P is a fail-safe electric actuator with spring return for HVAC systems, featuring a 20 lb-in torque rating and hardwired plenum-rated cables. It operates on 24V AC/DC input with a running power…

SKU 3G-OTH-68702

Also listed as: GQD1261P · GQD126 1P · GQD126-1P

Brand
Siemens
Item
Electric Actuator: HVAC Systems, Spring Return, 20 lb-in, 24V AC/DC
Category
Fail-Safe Actuators with Spring Return
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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
GQD126.1P
Type
Spring Return, 20 lb-in, Hardwired Plenum Rated Cables
AC/DC
24V
Power Rating
4.5 W (Running)
Input Voltage
24V AC/DC
Output Signal
2 Auxiliary Switch
Plenum Rating
Plenum Rated
Auxiliary Switch Included
Yes
Electrical Connection Type
Hardwired

Technical Documents

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

Product Description

The Siemens GQD126.1P is a fail-safe electric actuator with spring return for HVAC systems, featuring a 20 lb-in torque rating and hardwired plenum-rated cables. It operates on 24V AC/DC input with a running power rating of 4.5 W and includes two auxiliary switches for output signaling.

Frequently Asked Questions

What is the Siemens GQD126.1P electric actuator used for?

The Siemens GQD126.1P is a fail-safe electric actuator with spring return, designed for HVAC systems such as dampers and valves. It provides 20 lb-in torque and operates on 24V AC/DC, making it suitable for plenum-rated environments where hardwired cables are required.

What are the specifications of the Siemens GQD126.1P actuator?

The Siemens GQD126.1P has a torque rating of 20 lb-in, input voltage of 24V AC/DC, and power ratings of 4.5 W running and 2.5 W holding. It includes two auxiliary switches, is plenum rated, and features hardwired electrical connections. The manufacturer part number is GQD126.1P.

Where to buy the Siemens GQD126.1P actuator worldwide?

You can source the Siemens GQD126.1P 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 this actuator to procurement teams and plant engineers globally.

How to install the Siemens GQD126.1P spring return actuator?

Mount the Siemens GQD126.1P securely to the damper shaft using the provided bracket. Connect the 24V AC/DC power supply to the hardwired plenum-rated cables, ensuring polarity matches. Wire the two auxiliary switches for position feedback. Test spring return function before commissioning. Follow Siemens installation guidelines for 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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