Description
The Belimo NMX24-MFT is a heavy-duty rotary damper actuator engineered for demanding commercial HVAC and building automation applications. Featuring Belimo’s industry-leading Multi-Function Technology (MFT), this actuator delivers exceptional flexibility by supporting multiple control signal types in a single unit — eliminating the need to stock multiple SKUs for different control configurations.
Key Features
- 90 in-lb (10 Nm) torque output — suitable for medium to large damper assemblies
- Multi-Function Technology (MFT): field-configurable for multiple control modes
- Accepts 4–20 mA input signal with 500 Ohm input impedance
- Accepts PWM (Pulse Width Modulation) signal with 1500 Ohm input impedance
- Floating point (tri-state) control compatible
- On/Off control compatible
- 2–10 Vdc control signal range
- 24 Vac / 24 Vdc power supply
- Rotary actuator design for direct-coupled damper shaft mounting
- Manual override for easy commissioning and maintenance
- Compact, rugged housing designed for long service life
Control Signal Compatibility
- Modulating: 4–20 mA (500 Ohm impedance) and 2–10 Vdc
- PWM: 1500 Ohm impedance
- Floating Point (tri-state): Open/Close/Stop
- On/Off: Full open or full close
Electrical Specifications
- Supply voltage: 24 Vac / 24 Vdc
- Control input: 4–20 mA, PWM, floating point, On/Off, 2–10 Vdc
- Input impedance: 500 Ohm (4–20 mA), 1500 Ohm (PWM)
Applications
- Commercial HVAC damper control
- Building automation systems (BAS/BMS)
- Variable air volume (VAV) systems
- Air handling units (AHUs)
- Economizer and mixed-air damper control
- Exhaust, return, and outdoor air dampers
The NMX24-MFT is a trusted solution for mechanical contractors, controls technicians, and building automation professionals who require a versatile, reliable actuator that adapts to virtually any control system on the market. Backed by Belimo’s reputation for precision engineering and long-term reliability.
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