Three-phase exhaust fan electricity saving automatic control circuit

Published:2011/8/30 3:07:00 Author:Christina | Keyword: Three-phase, exhaust fan, electricity saving, automatic control | From:SeekIC

In some poorly ventilated place, the long-term operation of the exhaust fan will waste the electricity, and the exhaust fan is easy to burn out. The circuit of the figure can achieve the automatic stop of the exhaust fan M, also the automatic start of the exhaust fan M. The interval time is set by the potentiometers RP1 and RP2.



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