Description
Siemens GBB161.1P Non-Spring Return Modulating Damper Actuator
The Siemens GBB161.1P is a non-spring return (NSR), modulating damper actuator engineered for precision airflow control in commercial and industrial HVAC systems. Powered by 24VAC and accepting a 0–10VDC modulating control signal, this actuator delivers smooth, proportional positioning for variable air volume (VAV) systems, air handling units, and building automation applications.
Key Features
- Non-spring return (NSR) design — holds last position on power loss
- 24VAC power supply for compatibility with standard HVAC control circuits
- 0–10VDC modulating input for precise, proportional damper positioning
- Designed for integration with Siemens Building Automation Systems and third-party BAS platforms
- Compact, direct-coupled design for straightforward installation on round or rectangular damper shafts
- Durable construction suited for commercial and light industrial environments
Applications
- Variable air volume (VAV) terminal units
- Air handling units (AHUs)
- Outdoor air and exhaust damper control
- Building automation and energy management systems
- Commercial HVAC zoning and ventilation control
Product Specifications
- SKU: GBB161.1P
- Brand: Siemens Building Technology
- Actuator Type: Non-Spring Return (NSR)
- Supply Voltage: 24VAC
- Control Signal: Modulating 0–10VDC
- Control Mode: Proportional (MOD)
Trust Siemens Building Technology for reliable, long-lasting actuator performance. The GBB161.1P is a go-to solution for contractors and building automation professionals who demand accuracy and dependability in every installation.







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