Overview
The Belimo AFRX24-MFT is a high-torque spring return actuator engineered for fail-safe, modulating valve control in demanding commercial HVAC hydronic applications.
Features
- Spring return mechanism guarantees positive fail-safe positioning during power loss
- Multi-Function Technology (MFT) provides flexible signal field configuration
- High torque output suitable for large control valve assemblies
- Manual override crank supplied for easy installation and manual operation
Specifications
- Nominal Voltage: AC/DC 24 V
- Control Type: MFT / Programmable (2 to 10 VDC, PWM, Floating Point)
- Actuator Type: Spring Return
- Torque: 180 in-lb [20 Nm]
- Power Consumption: 7.5 W running
- Enclosure Rating: IP54, NEMA 2
Applications
- Fail-safe modulating water control in commercial air handlers and central plants
- High-torque safety close-off for heating and cooling water loops



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