Description
The Belimo LMX24-MFT is a versatile, multi-function technology (MFT) rotary damper actuator engineered for demanding commercial HVAC and building automation applications. With a robust 45 in-lb torque output and broad control signal compatibility, this actuator eliminates the need for multiple SKUs — one unit covers a wide range of control scenarios right out of the box.
Designed for use with 24 Vac or 24 Vdc power supplies, the LMX24-MFT supports an impressive array of control input types, making it an ideal choice for retrofit projects, new construction, and BAS integrations alike. Its field-configurable MFT platform allows technicians to select and fine-tune the control mode on-site without requiring additional hardware.
Key Features
- 45 in-lb (5 Nm) torque output for reliable damper positioning
- Multi-Function Technology (MFT) — field-selectable control modes
- Compatible with 4–20 mA control signal (500 Ohm input impedance)
- Compatible with PWM control signal (1500 Ohm input impedance)
- Floating point (tri-state) control input supported
- On/Off control input supported
- 2–10 Vdc proportional control signal supported
- Power supply: 24 Vac / 24 Vdc
- Rotary actuator design for direct-coupled damper shaft mounting
Control Signal Compatibility
- 4–20 mA: 500 Ohm input impedance
- PWM: 1500 Ohm input impedance
- Floating point (Open / Close / Stop)
- On/Off switching control
- 2–10 Vdc proportional modulating control
Applications
- VAV and CAV air handling systems
- Economizer and outside air damper control
- Building automation and direct digital control (DDC) systems
- Retrofit installations requiring multi-signal flexibility
- Commercial HVAC zoning and ventilation control
Why Choose the Belimo LMX24-MFT?
Belimo’s MFT platform is trusted by mechanical contractors and building automation engineers worldwide for its reliability, flexibility, and ease of commissioning. The LMX24-MFT’s ability to accept virtually any standard control signal type means fewer part numbers to stock and faster installation on the job site. Backed by Belimo’s industry-leading quality standards, this actuator delivers long-term, maintenance-free performance in commercial HVAC environments.
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