Overview
The Belimo TFB24-MFT-S is a compact spring return damper actuator featuring Multi-Function Technology and an integrated auxiliary switch for position feedback in commercial HVAC applications.
Features
- Multi-Function Technology (MFT) for configurable control parameters
- Dependable spring return fail-safe mechanism on power loss
- Built-in auxiliary SPDT switch for position signaling or interlocking
- Direct-coupled mounting for simple installation
Specifications
- Torque: 22 in-lb [2.5 Nm]
- Nominal Voltage: AC/DC 24 V
- Control Type: MFT / Programmable (2 to 10 VDC)
- Auxiliary Switches: 1 x SPDT
- Actuator Type: Spring Return
Applications
- Fail-safe damper positioning in small commercial HVAC systems
- Equipment interlocking and end-position status indication





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