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Variable fan speed controllers


Electronic fan speed controllers provide infinitely variable speed control for single-phase or three-phase voltage controllable motors. Typically they are used to control AC fans or pumps in HVAC applications. They use phase angle control - TRIAC technology - to adjust the motor voltage and to control the fan speed. Thanks to this technology, these fan speed controllers are completely silent. Depending on the motor type, some additional motor noise at low speed might occur.

Manual motor control

Manual motor control
Variable speed controllers with potentiometer. They control single-phase voltage controllable motors with a maximum current of 10 A. Via the integrated potentiometer, AC fan speed can be regulated manually.
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Analogue input motor control

Analogue input motor control
Variable speed controllers with analogue input to control AC fan speed. These electronic fan speed controllers regulate the speed of single- or three phase voltage controllable motors with a maximum current of 10 A. An analogue control signal is required as fan speed reference.
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Temperature based motor control

Temperature based motor control
Variable speed controllers with temperature sensor. These fan speed controllers automatically regulate fan speed in function of temperature. Designed for single phase voltage controllable motors with a maximum current of 6 A.
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