Overview
The Belimo EFX24-MFT is a versatile, high-torque spring return damper actuator featuring Multi-Function Technology (MFT) for custom modulating control and reliable fail-safe operation.
Features
- Multi-Function Technology (MFT) enables field customization of input signals and runtime
- Spring return fail-safe mechanism provides reliable emergency positioning
- High 270 in-lb torque output drives large damper surface areas
- Replaces legacy EFB24-MFT model with enhanced electronics
Specifications
- Torque: 270 in-lb [30 Nm]
- Nominal Voltage: AC/DC 24 V
- Control Type: MFT / Programmable (2 to 10 VDC default)
- Actuator Type: Spring Return
- Degree of Protection: IP54, NEMA 2
Applications
- Modulating air damper control in large commercial HVAC systems
- Fail-safe ventilation and airflow management in critical facilities



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