GKB24-MFT | Damper Actuator | 360 in-lb | Electronic Fail-Safe | 24V | MFT | Belimo
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Brand: BelimoSKU: GKB24-MFT

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$1,017.45
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GKB24-MFT | Damper Actuator | 360 in-lb | Electronic Fail-Safe | 24V | MFT | Belimo

Damper Actuator, 360 in-lb [40 Nm], Electronic fail-safe, AC/DC 24 V, 2...10 V, MFT/programmable

Belimo | GKB24-MFT
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Overview

Details for GKB24-MFT

Damper Actuator | 360 in-lb | Electronic Fail-Safe | 24V | MFT

Application

For fail-safe, modulating control of dampers in HVAC systems. Actuator sizing should be done in accordance with the damper manufacturer’s specifications. A feedback signal is provided for position indication or master-slave applications. Maximum of two GK’s can be piggybacked for torque loads of up to 720 in-lbs. Minimum 1” diameter shaft and Master-Slave wiring.

Default/Configuration

Default parameters for 2 to 10 VDC applications of the GK..-MFT actuator are assigned during manufacturing. If required, custom versions of the actuator can be ordered. The parameters are variable and can be changed by three means: Factory pre-set or custom configuration, set by the customer using PC-Tool software or the handheld ZTH US.

Operation

The GK..24-MFT provides 95° of rotation and a visual indicator shows the position of the actuator. When reaching the damper or actuator end position the actuator automatically stops. The gear can be manually disengaged by pressing the button located on the actuator cover. The GK..24-MFT actuator uses a brushless DC motor, which is controlled by an Application Specific Integrated Circuit (ASIC). The ASIC monitors and controls the actuators rotation and provides a digital rotation sensing (DRS) function to prevent damage to the actuator in a stall condition. Power consumption is reduced in a holding mode. The actuator is electronically protected against overload. The anti-rotation strap supplied with the actuator will prevent lateral movement. Add-on auxiliary switches or feedback potentiometers are easily fastened directly onto the actuator body for signaling and switching functions.


Specifications

Actuator Type
Electrical fail-safe
Angle of Rotation
95
Control Type
MFT/Programmable
Degree of Protection
IP54 NEMA 2 UL Enclosure Type 2
Direction of Rotation (Fail-Safe)
Reversible with switch
Electrical Connection
cable
Manual Override
External push button
Power Consumption (Holding)
3 W
Power Consumption (Running)
11 W
Running Time (Fail-safe)
<35 s
Running Time (Motor)
150 s / 90B0
Running Time range (Motor)
90...150 s
Safety Function
YES
Torque
360 in-lb [40 Nm]
Voltage AC/DC
AC/DC 24 V

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