Description
The Belimo AFRXUP-S is a heavy-duty spring return, on/off damper actuator engineered for dependable performance across a wide range of commercial and industrial HVAC applications. Featuring universal 24–240V AC/DC power compatibility, this actuator eliminates the need to stock multiple voltage variants, simplifying installation and reducing inventory overhead.
Key Features
- Universal input voltage: 24–240V AC/DC for broad application flexibility
- Spring return (S/R) fail-safe operation — returns damper to a safe position on power loss
- On/Off control signal for straightforward open/close damper operation
- Integrated auxiliary switch (AUX SWT) for end-position feedback and interlock wiring
- Compact, rugged housing suitable for commercial HVAC environments
- Direct-coupled design — no crank arm or linkage required for most applications
- Manual override for commissioning and maintenance convenience
Application
The AFRXUP-S is ideal for controlling fire/smoke dampers, fresh air dampers, exhaust dampers, and mixing boxes in air handling units, rooftop units, and commercial ventilation systems. The built-in auxiliary switch provides a reliable end-position signal for use with building automation systems, fan interlocks, or status monitoring panels.
Why Choose the Belimo AFRXUP-S
- Wide voltage range reduces installation errors and stocking complexity
- Fail-safe spring return ensures code-compliant damper positioning during power outages
- Auxiliary switch enables seamless BAS integration and system interlock wiring
- Trusted Belimo quality with proven reliability in commercial HVAC installations







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