Description
The Siemens SAX61.03U is a high-performance, non-spring-return electric actuator engineered for precise valve control in commercial and industrial HVAC systems. Designed by Siemens Building Technology, this actuator delivers dependable modulating control via a 0–10Vdc input signal, making it an ideal solution for variable flow applications in air handling units, fan coil units, and hydronic systems.
With dual-voltage compatibility — 24Vac and 24Vdc — the SAX61.03U offers flexible integration into a wide range of building automation and control systems. Its non-spring-return design means the actuator holds its last position upon power loss, making it well-suited for applications where fail-in-place operation is required.
Key Features
- Dual power supply compatibility: 24Vac / 24Vdc
- Modulating control via 0–10Vdc input signal
- Non-spring-return operation — holds last position on power loss
- Designed for use with Siemens valve bodies in commercial HVAC applications
- Compact, robust construction for long-term reliability
- Suitable for air handling units, fan coil units, and hydronic systems
- Part of the Siemens Building Technology actuator product family
Specifications
- SKU: SAX61.03U
- Brand: Siemens Building Technology
- Power Supply: 24Vac / 24Vdc
- Control Signal: 0–10Vdc
- Actuator Type: Non Spring Return
- Application: Commercial HVAC valve control
Applications
- Hydronic heating and cooling systems
- Air handling unit (AHU) valve control
- Fan coil unit (FCU) valve control
- Building automation and energy management systems
- Variable flow and modulating control loops
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