Schematic overview
3ph 230 V motor 3,5 A | transformer 5 speed controller
Solution description
Manual 5 speed control for three-phase 230 V motors. The maximum motor current is 3,5 A. Typically, it regulates fan speed in HVAC applications. The fan speed can be selected via the 5-step rotary switch. In OFF position (zero), the motor is disabled. The autotransformer technology generates a motor voltage with a perfect sinusoidal shape. This guarantees quiet motor operation. This control solution is only suitable for voltage controllable motors.
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