NMB24-3 | Damper Actuator | 90 in-lb | Non-Spg Rtn | 24V | On/Off/Floating Point | Belimo
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Brand: BelimoSKU: NMB24-3

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NMB24-3 | Damper Actuator | 90 in-lb | Non-Spg Rtn | 24V | On/Off/Floating Point | Belimo

Damper Actuator, 90 in-lb [10 Nm], Non fail-safe, AC/DC 24 V, On/Off, Floating point

Belimo | NMB24-3
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Belimo NMB24-3 Documents

Overview

Details for NMB24-3

Damper Actuator | 90 in-lb | Non-Spg Rtn | 24V | On/Off/Floating Point

Application

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 mounted directly to a damper shaft up to 1.05" in diameter by means of its universal clamp, 1/2” 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.

Operation

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 NMB(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 NMB(X)24-3… 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.

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


Specifications

Actuator Type
Non fail-safe
Angle of Rotation
95
Control Type
Floating/3-point
Degree of Protection
IP54 NEMA 2 UL Enclosure Type 2
Electrical Connection
cable
Manual Override
External push button
Power Consumption (Holding)
0.2 W
Power Consumption (Running)
2 W
Running Time (Motor)
95 s / 90B0
Safety Function
NO
Torque
90 in-lb [10 Nm]
Voltage AC/DC
AC/DC 24 V

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