Description
The Siemens SAS81.03U is a 24V, 3-position floating, non-spring return (NSR) actuator engineered for reliable damper and valve control in commercial and industrial HVAC applications. Designed under Siemens Building Technology’s trusted product line, this actuator delivers consistent, accurate positioning performance to support optimal airflow management and building automation system integration.
Key Features
- 24V operating voltage for compatibility with standard commercial HVAC control systems
- 3-position floating control signal for precise open, close, and hold positioning
- Non-spring return (NSR) design — actuator holds its last position upon loss of power
- Engineered for use in building automation and HVAC damper/valve control applications
- Siemens Building Technology quality construction for long-term reliability
- Compact form factor suitable for a wide range of commercial installations
Application
The SAS81.03U is ideal for use in commercial HVAC systems requiring dependable actuator control of dampers or valves. Its 3-position floating control makes it well-suited for integration with building automation systems (BAS), air handling units (AHUs), and variable air volume (VAV) applications where precise positioning and energy-efficient operation are priorities.
Product Specifications
- SKU: SAS81.03U
- Brand: Siemens Building Technology
- Supply Voltage: 24V
- Control Type: 3-Position Floating
- Return Type: Non-Spring Return (NSR)
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