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
Also listed as: GCA1561U · GCA156 1U · GCA156-1U
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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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.
Frequently Asked Questions
What is the Siemens GCA156.1U electric actuator used for?
The Siemens GCA156.1U is a fail-safe spring return actuator designed for HVAC systems such as dampers and valves. It provides 160 lb-in torque on 24V AC/DC power, ensuring reliable positioning and emergency closure in commercial buildings, hospitals, and industrial ventilation.
What are the specifications of the Siemens GCA156.1U actuator?
The Siemens GCA156.1U operates on 24V AC/DC with 5 W running and 3 W holding power. It includes two auxiliary switches, a hardwired connection, and NEMA 2 / IP54 protection. The spring return mechanism delivers 160 lb-in torque for fail-safe HVAC damper control.
Where to buy the Siemens GCA156.1U actuator worldwide?
3G Electric supplies the Siemens GCA156.1U actuator to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this fail-safe spring return actuator.
How to install the Siemens GCA156.1U spring return actuator?
Mount the Siemens GCA156.1U securely to the damper shaft using the provided bracket. Connect 24V AC/DC power via the hardwired terminals, ensuring polarity matches. Wire the two auxiliary switches for position feedback. Test spring return operation before commissioning.
Used in
Common applications for SiemensSiemens 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.
