AMQB24-1 | Damper Actuator | 140 in-lb | Non-Spg Rtn | 24V | On/Off | Belimo
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Brand: BelimoSKU: AMQB24-1

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AMQB24-1 | Damper Actuator | 140 in-lb | Non-Spg Rtn | 24V | On/Off | Belimo

Damper Actuator, 140 in-lb [16 Nm], Non fail-safe, AC/DC 24 V, On/Off

Belimo | AMQB24-1
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Details for AMQB24-1

Damper Actuator | 140 in-lb | Non-Spg Rtn | 24V | On/Off


For On/Off control of dampers in HVAC systems. Actuator sizing should be done in accordance with the damper manufacturer’s specifications.

The actuator is mounted directly to a damper shaft up to 1.05” in diameter by means of its universal clamp, self-centered default. A crank arm and several mounting brackets are available for applications where the actuator cannot be direct coupled to the damper shaft.


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 AMQB(X) series provides 95° of rotation and a visual indicator indicates position of the actuator. 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 AMQB(X)24-1 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.

Add-on auxiliary switches or feedback potentiometers are easily fastened directly onto the actuator body for signaling and switching functions.


Actuator Type
Non fail-safe
Angle of Rotation
Control Type
Degree of Protection
IP54 NEMA 2 UL Enclosure Type 2
Electrical Connection
Manual Override
External push button
Power Consumption (Holding)
1.5 W
Power Consumption (Running)
15 W
Running Time (Motor)
7 s / 90B0
Running Time range (Motor)
10 15 or 20 s
Safety Function
140 in-lb [16 Nm]
Voltage AC/DC
AC/DC 24 V


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