AHX120-3-100 | Damper Actuator | 101 lbf | Non-Spg Rtn | 100 to 240V | On/Off/Floating Point | Belimo
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Brand: BelimoSKU: AHX120-3-100

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AHX120-3-100 | Damper Actuator | 101 lbf | Non-Spg Rtn | 100 to 240V | On/Off/Floating Point | Belimo

Configurable Damper Actuator, 100 lbf [450 N], Non fail-safe, AC 100...240 V, On/Off, Floating point

Belimo | AHX120-3-100
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Belimo AHX120-3-100 Documents


Details for AHX120-3-100

Damper Actuator | 101 lbf | Non-Spg Rtn | 100 to 240V | On/Off/Floating Point


For on/off and floating point control of dampers in HVAC systems. Actuator sizing should be done in accordance with the damper manufacturer’s specifications.


The actuator is not provided with and does not require any limit switches, but is electronically protected against overload. The anti-rotation strap supplied with the actuator will prevent lateral movement.

The AHX series provides 4, 8, or 12 inches of linear stroke. The stroke of the gear rack can be adjusted on both sides in increments of 0.8 in [20 mm] by means of the mechanical end stops.

When reaching the damper or actuator end position, the actuator automatically stops. The gears can be manually disengaged with a button on the actuator cover.

The AHX120-3 actuators use a sensorless brushless DC motor, which is controlled by an Application Specific Integrated Circuit (ASIC). The ASIC monitors and controls the actuator’s rotation and provides a digital rotation sensing (DRS) function to prevent damage to the actuator in a stall condition. Power consumption is reduced in holding mode.


Actuator Type
Non fail-safe
Control Type
Degree of Protection
IP54 NEMA 2 UL Enclosure Type 2
Electrical Connection
450 N [100 lbf]
Manual Override
External push button
Power Consumption (Holding)
0.5 W
Power Consumption (Running)
2.5 W
Running Time (Motor)
150 s / 100 mm
Safety Function
4" [100 mm]
Voltage AC/DC
AC 100...240 V


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