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SiemensFail-Safe Actuators with Spring Return

Siemens Electric Actuator: HVAC Systems, Floating Point, Spring Return, 160 lb-in

The SIEMENS GCA166.1P is a fail-safe electric actuator with spring return for HVAC systems, featuring a floating-point control mode. It operates on 24V AC/DC with a running power rating of 5 W and includes 2…

SKU 3G-OTH-68523

Brand
Siemens
Item
Electric Actuator: HVAC Systems, Floating Point, Spring Return, 160 lb-in
Category
Fail-Safe Actuators with Spring Return
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Technical Specifications

Siemens
Manufacturer Part Number
GCA166.1P
Type
Floating Point, Spring Return, 160 lb-in, NEMA 2 / IP54
AC/DC
24V
Power Rating
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
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Siemens Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SIEMENS GCA166.1P is a fail-safe electric actuator with spring return for HVAC systems, featuring a floating-point control mode. It operates on 24V AC/DC with a running power rating of 5 W and includes 2 auxiliary switches as the output signal. This hardwired actuator is plenum rated and has a torque of 160 lb-in, with a NEMA 2 / IP54 enclosure rating.

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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