Description
The Belimo TFB24-MFT is a versatile, multi-function spring return damper actuator engineered for reliable performance in commercial and industrial HVAC applications. Designed to accept a wide range of control signals, this actuator delivers exceptional flexibility for building automation and zone control systems.
Key Features
- Spring return fail-safe operation ensures damper returns to a safe position on power loss
- 22 in-lb torque output for dependable damper control
- Multi-function (MFT) technology supports multiple control signal types in a single unit
- Accepts 4–20 mA analog input signal (500 Ohm impedance)
- Compatible with PWM (pulse-width modulation) control signals (1500 Ohm impedance)
- Supports floating point and On/Off control modes
- Operates on 24 Vac or 24 Vdc power supply
- Reduces inventory requirements by replacing multiple single-function actuators
Specifications
- Brand: Belimo
- SKU: TFB24-MFT
- Torque: 22 in-lb
- Control Signal: 4–20 mA (500 Ohm), PWM (1500 Ohm), Floating Point, On/Off
- Supply Voltage: 24 Vac / 24 Vdc
- Actuator Type: Spring Return
- Function Type: Multi-Function (MFT)
Applications
- Commercial HVAC air handling units
- Building automation and energy management systems
- VAV and zone damper control
- Economizer and outdoor air damper systems
The TFB24-MFT’s multi-function capability makes it an ideal choice for contractors and engineers who need one actuator to handle diverse control scenarios — from simple On/Off switching to precise analog modulation. The spring return mechanism provides added safety and peace of mind in critical ventilation applications.
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