Description
The Belimo NFX24-MFT-X1 is a 24V spring return damper actuator engineered for precise, reliable control in commercial HVAC and building automation applications. Featuring Belimo’s Multi-Function Technology (MFT) universal signal input, this actuator adapts to a wide range of control signals, making it a versatile solution for new installations and retrofit projects alike.
Key Features
- 24V AC/DC supply voltage for broad system compatibility
- Spring return (SR) fail-safe operation — automatically returns damper to a defined safe position on power loss
- Multi-Function Technology (MFT) universal control signal input — configurable for 0–10 V, 2–10 V, 0–20 mA, 4–20 mA, and more
- 95° nominal rotation angle for standard damper blade travel
- 10 Nm (88.5 in-lb) torque output — suitable for medium-sized dampers
- Compact, direct-coupled design eliminates the need for crank arms and linkages
- Manual override for easy commissioning and service
- Belimo’s proven NFX-series platform for long service life and low maintenance
Application
The NFX24-MFT-X1 is ideal for modulating control of HVAC air dampers in air handling units, VAV systems, economizers, and ventilation systems. The spring return function provides fail-safe positioning, making it suitable for applications where damper position on power failure is critical to system safety and performance.
Why Choose Belimo
Belimo is a globally recognized leader in actuator and valve technology for HVAC systems. The NFX series reflects Belimo’s commitment to energy efficiency, ease of installation, and long-term reliability — trusted by mechanical contractors and building automation engineers worldwide.
Specifications
- Brand: Belimo
- Model: NFX24-MFT-X1
- Supply Voltage: 24V AC/DC
- Actuator Type: Spring Return (Fail-Safe)
- Control Signal: MFT (Multi-Function Technology — universal input)
- Rotation: 95°
- Torque: 10 Nm (88.5 in-lb)
- Mounting: Direct-coupled







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