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Contemparary design for surface or inset mounting

EC motor 400 V | 3-step fan speed control

Solution description

3-speed control for EC fans in steps. The fan speed can be manually adjusted via the switch. In position 0, the motor is disabled. Via internal trimmers, speed positions 1 and 2 can be adjusted. Position 3 is maximum fan speed. We advise to minimise cable length between EC fan and control switch to avoid disturbances of the 0-10 V signal.

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Components of this solution

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Control switch, 4 pos., IN: 10 VDC, load max. 1 mA, OUT: 0 = OFF, pos. 1 = 1…10 VDC, pos. 2 = 1...10 VDC, pos. 3 = supply voltage.
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