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    mrussell's Avatar
    mrussell Posts: 1, Reputation: 1
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    #1

    Oct 7, 2010, 10:03 AM
    How to wire a 230 volt 10 amp pump to a 110 volt float switch with a contact switch
    How to wire a 230 volt 10 amp pump to a 110 volt float switch with a contact switch.
    tkrussell's Avatar
    tkrussell Posts: 9,659, Reputation: 725
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    #2

    Oct 7, 2010, 10:48 AM
    The float switch will need to operate the coil of a contactor or relay that can then control the pump motor.

    Need to get a two pole contactor rated to handle the horsepower of the motor, with a 120 volt coil. Then supply 120 volts to the float switch and a switch leg back to the coil.
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