EFB24-MFT | Damper Actuator | 270 in-lb | Spg Rtn | 24V | MFT | Belimo
Brand: BelimoSKU: EFB24-MFT
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EFB24-MFT | Damper Actuator | 270 in-lb | Spg Rtn | 24V | MFT | Belimo

Belimo | EFB24-MFT
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Details for EFB24-MFT

Damper Actuator | 270 in-lb | Spg Rtn | 24V | MFT

For On/Off, fail-safe control of dampers in HVAC systems. Actuator sizing should be done in accordance with the damper manufacturer's specifications. Control is On/Off from an auxiliary contact or a manual switch. The actuator is mounted directly to a damper shaft up to 1.05" in diameter by means of its universal clamp. A crank arm and several mounting brackets are available for applications where the actuator cannot be direct coupled to the damper shaft. Maximum of two EF's can be piggybacked for torque loads of up to 540 in-lbs. Minimum 3/4" diameter shaft and parallel wiring.


Actuator Type
Spring return
Angle of Rotation
Control Type
Degree of Protection
IP54 NEMA 2 UL Enclosure Type 2
Direction of Rotation (Fail-Safe)
Reversible with cw/ccw mounting
Electrical Connection
Manual Override
5 mm hex crank (3/16" Allen) supplied
Power Consumption (Holding)
4.5 W
Power Consumption (Running)
9.5 W
Running Time (Fail-safe)
<20 s
Running Time (Motor)
150 s / 90B0
Running Time range (Motor)
60...150 s
Safety Function
270 in-lb [30 Nm]
Voltage AC/DC
AC/DC 24 V


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