Siemens GCA151.1U Proportional Spring Return Damper Actuator
The Siemens GCA151.1U is a fail-safe spring return damper actuator with a self-centering shaft coupling, rated at 160 in-lb and 5W. It operates on 24V AC/DC input with a 0 to 10V DC output signal, supporting CW/CCW…
SKU 3G-OTH-67738
Also listed as: GCA1511U · GCA151 1U · GCA151-1U
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
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Product Description
The Siemens GCA151.1U is a fail-safe spring return damper actuator with a self-centering shaft coupling, rated at 160 in-lb and 5W. It operates on 24V AC/DC input with a 0 to 10V DC output signal, supporting CW/CCW shaft rotation. This hardwired, NEMA 2 / IP54 rated actuator is compatible with building automation systems and is not plenum rated.
Frequently Asked Questions
What is the Siemens GCA151.1U actuator used for?
The Siemens GCA151.1U is a fail-safe spring return damper actuator used in HVAC building automation systems to control air dampers in VAV boxes, AHUs, and zone dampers. It provides proportional modulation with a 0 to 10V DC signal and spring return on power loss for safety.
What are the specifications of the Siemens GCA151.1U?
The Siemens GCA151.1U is a proportional spring return actuator rated at 160 in-lb torque and 5W power. It operates on 24V AC/DC input with a 0 to 10V DC output signal. It features a self-centering shaft coupling, CW/CCW rotation, hardwired connection, and NEMA 2 / IP54 enclosure. It is not plenum rated.
Where to buy the Siemens GCA151.1U worldwide?
You can source the Siemens GCA151.1U 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 provide competitive pricing and reliable sourcing for building automation components.
How to install the Siemens GCA151.1U damper actuator?
Mount the actuator directly onto the damper shaft using the self-centering coupling, ensuring the shaft is fully engaged. Apply 24V AC/DC power and connect the 0 to 10V DC control signal. Verify rotation direction (CW/CCW) per damper orientation. For spring return, ensure no mechanical obstruction. Refer to Siemens installation manual for torque settings.
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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.
