Overview
The Belimo EFB24-MFT-S N4 is a NEMA 4 rated, high-torque spring return damper actuator combining Multi-Function Technology (MFT) and auxiliary switches for severe outdoor applications.
Features
- NEMA 4 / IP66 enclosure protects internal components against rain, snow, and washdowns
- Multi-Function Technology (MFT) allows custom tuning of operating parameters
- Built-in auxiliary switches provide end-point position feedback
- Spring return mechanism guarantees emergency fail-safe positioning
Specifications
- Torque: 270 in-lb [30 Nm]
- Nominal Voltage: AC/DC 24 V
- Control Type: MFT / Programmable
- Actuator Type: Spring Return with Auxiliary Switch
- Enclosure Rating: NEMA 4 / IP66
Applications
- Outdoor modulating air dampers, intake louvers, and rooftop air handling units
- Harsh environment ventilation and emergency fail-safe airflow control



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