Description
The Siemens GEB161.1U is a 24V non-spring return (NSR) direct coupled actuator (DCA) engineered for precise damper control in commercial and industrial HVAC applications. Featuring a 0–10 VDC proportional control signal and a robust 132 lb-in torque output, this actuator delivers reliable, repeatable positioning performance in demanding building automation environments.
Designed for direct shaft mounting without the need for crank arms or linkages, the GEB161.1U simplifies installation and reduces mechanical complexity. Its non-spring return design holds the damper in its last commanded position upon power loss, making it well-suited for applications where fail-in-place operation is required.
As part of Siemens Building Technology’s trusted actuator lineup, the GEB161.1U integrates seamlessly with building automation systems (BAS) and direct digital control (DDC) platforms, supporting energy-efficient HVAC zoning and airflow management.
Key Features
- Operating Voltage: 24V AC/DC
- Control Signal: 0–10 VDC proportional
- Torque Output: 132 lb-in
- Actuator Type: Non-Spring Return (NSR), Direct Coupled
- Fail Mode: Holds last position on power loss
- Direct shaft mounting — no crank arms or linkages required
- Compatible with building automation and DDC control systems
- Suitable for commercial and industrial HVAC damper applications
Applications
- Variable air volume (VAV) damper control
- Air handling unit (AHU) damper positioning
- Outdoor air and exhaust damper control
- Building automation system integration
Product Details
- Brand: Siemens Building Technology
- SKU: GEB161.1U
- Voltage: 24V
- Control Input: 0–10 VDC
- Torque: 132 lb-in
- Spring Return: No (Non-Spring Return)
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