Re: Elect. Motor hook-up

Posted by John T on August 01, 2006 at 17:10:19 from (66.244.90.5):

In Reply to: Re: Elect. Motor hook-up posted by John M on August 01, 2006 at 16:53:34:

In the typical Motor Starter the low current "coil" could be fed from one leg of the 240 line voltage and then in series with maybe a pressure switch and the push to start hold in contactor and the thermal cutouts and then over to the other phase leg to complete the loop. Once the push to start switch activated the hold in relay in paralell with it and provided the pressure switch was closed and none of the thermals were opened, she would engage the power contactors. It would be easier if I were smart enough to include a wiring diagram, I will look n see if I have one.

Basically yes you use the line voltage to power the activation coil buttttttttttt theres the pressure switch and the thermal overloads and the push to start switch and its paralell contactor alllllll in series between the phase conductors in the low current coil activation circuit.

John T

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