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SiemensFail-Safe Actuators with Spring Return

Siemens Electric Actuator: HVAC Systems, Spring Return, 160 lb-in, 24V AC/DC, Hardwired

The Siemens GCA156.1U is a fail-safe electric actuator with spring return for HVAC systems, operating on 24V AC/DC with a running power rating of 5 W and a holding power of 3 W. It features a hardwired electrical…

SKU 3G-OTH-68489

Brand

Siemens

Item

Electric Actuator: HVAC Systems, Spring Return, 160 lb-in, 24V AC/DC, Hardwired

Category

Fail-Safe Actuators with Spring Return

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Technical Specifications

Siemens

Manufacturer Part Number

GCA156.1U 

Type

Spring Return, 160 lb-in, Hardwired, NEMA 2 / IP54 

AC/DC

24V

Power Rating

5 W (Running) 

Input Voltage

24V AC/DC 

Output Signal

2 Auxiliary Switch 

Auxiliary Switch Included

Yes

Electrical Connection Type

Hardwired 

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Siemens Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Siemens GCA156.1U is a fail-safe electric actuator with spring return for HVAC systems, operating on 24V AC/DC with a running power rating of 5 W and a holding power of 3 W. It features a hardwired electrical connection, includes two auxiliary switches, and is rated NEMA 2 / IP54.

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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