LF120 US | Damper Actuator | 35 in-lb | Spg Rtn | 120V | On/Off | Belimo
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Brand: BelimoSKU: LF120 US

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LF120 US | Damper Actuator | 35 in-lb | Spg Rtn | 120V | On/Off | Belimo

Damper Actuator, 35 in-lb [4 Nm], Spring return, AC 120 V, On/Off

Belimo | LF120 US
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Details for LF120 US

Damper Actuator | 35 in-lb | Spg Rtn | 120V | On/Off


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 from 3/8” up to 1/2” in diameter by means of its universal clamp, 1/2” shaft centered at delivery. For shafts up to 3/4” use K6-1 accessory. A crank arm and several mounting brackets are available for applications where the actuator cannot be direct coupled to the damper shaft.


Actuator Type
Spring return
Angle of Rotation
Control Type
Degree of Protection
IP54 NEMA 2 UL Enclosure Type 2
Electrical Connection
End Fitting
Internal thread
Potable water
Power Consumption (Holding)
3.5 W
Power Consumption (Running)
5.5 W
Pressure Independent
Product Type
Running Time (Fail-safe)
<25 s
Running Time (Motor)
75 s / 90B0
35 in-lb [4 Nm]
Valve Size
0.75" [20]
Voltage AC/DC
AC 120 V


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