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-   -   Air compressor ac motor flips breaker after delay (https://www.askmehelpdesk.com/showthread.php?t=130660)

  • Sep 17, 2007, 04:45 PM
    rflcam
    Air compressor ac motor flips breaker after delay
    Hello thank you for taking the time to look/answer my question. That being said my problem is with a ac motor for a air compressor it worked fine then all of a sudden it started to throw the breaker. It will start and run fine for about 5-7 seconds then it will flip the breaker. Any advise will be appreciated.

    Here are some specs for the motor

    a.o.smith
    115v
    15a
    3450rpm
    Model#d24228
    Ph 1

    I believe it to be single phase but not sure it does have two capacitors
    Thank you
  • Sep 17, 2007, 05:08 PM
    tkrussell
    You may want to swap the wire to another breaker of the same size to determine if the breaker is OK.

    Check the breaker for a loose wire connection and be sure the tab the breaker plugs onto is clean. Check the underneath of the breaker where the jaws plug onto the tab in the panel. Any looseness or corrosion will create heat that can trip the breaker.
  • Sep 17, 2007, 05:15 PM
    rflcam
    I have tried it in many outlets around the house and it seems to always do the same thing
    I even tried it at my friends house

    Thank you for your time
  • Sep 17, 2007, 05:18 PM
    tkrussell
    OK then the motor is getting hot or overloading for some reason. Need to have it checked out. Check that rotation is proper. If you have an amp-probe, you can check the starting and running amps. This is similar to having your blood pressure check, without measuring the amps, everything is nothing but a guess.
  • Sep 17, 2007, 05:23 PM
    rflcam
    HA I just found out from my friend that I let borrow it that he left it outside in a storm and it got soaked so that probably means its gone

    That's the last time I loan out tools!
  • Sep 17, 2007, 05:29 PM
    tkrussell
    Well there you go, too bad he did not mention it when he returned it.

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