The Belimo NMQX24-MFT Damper Actuator is a quick-running, non-spring return actuator designed for precise airflow control in commercial HVAC systems. With 70 in-lb (8 Nm) torque and Belimo’s advanced Multi-Function Technology (MFT), this actuator provides fast response times, flexible control, and seamless integration into building automation systems.
Apex Controls supplies genuine Belimo actuators with fast U.S. shipping for contractors, OEMs, and facility professionals.
Overview
The NMQX24-MFT is part of Belimo’s quick-running actuator series, engineered for applications requiring rapid positioning and precise modulation. It operates on 24V AC/DC power and supports 2–10V modulating control signals, making it ideal for modern BAS systems.
This actuator is commonly used in HVAC systems where speed and accuracy are critical, such as airflow balancing and dynamic control applications.
Key Features
- 70 in-lb (8 Nm) torque for medium-sized dampers
- Non-spring return (non fail-safe) design
- Quick running actuator (fast response time)
- 24V AC/DC power supply
- MFT (Multi-Function Technology) for flexible configuration
- Supports 2–10V modulating control signals
- Adjustable running time (approx. 4–15 seconds depending on setup)
- Direct-coupled mounting (no linkage required)
Belimo’s MFT platform allows a single actuator to be configured for multiple control types, reducing inventory and simplifying field replacements.
Applications
The Belimo NMQX24-MFT is commonly used in:
- Air handling units (AHUs)
- VAV systems requiring fast response
- Rooftop units (RTUs)
- Zone dampers
- Building automation systems (BAS)
It is ideal for applications where quick actuator response improves system performance and control accuracy.
Technical Specifications
| Actuator Type | Non fail-safe |
| Angle of Rotation | 95 |
| Control Type | MFT/Programmable |
| Degree of Protection | IP54, NEMA 2, UL Enclosure Type 2 |
| Electrical Connection | cable |
| Manual Override | External push button |
| Power Consumption (Holding) | 1.5 W |
| Power Consumption (Running) | 13 W |
| Running Time (Motor) | 4 s / 90° |
| Running Time range (Motor) | 4…16 s |
| Safety Function | NO |
| Torque | 70 in-lb [8 Nm] |
| Voltage AC/DC | AC/DC 24 V |



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