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72 amp draw over 80 amp breaker

Discussion in 'Tesla' started by Lamy29, Jan 25, 2017.

  1. Lamy29

    Lamy29 Member

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    Dec 7, 2016
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    San Bernadino, CA
    Looking to get an expert opinion, if it's ok to run a 72 amp draw on wallcharger through 80 amp breaker.
     
  2. TexasEV

    TexasEV Well-Known Member

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    No. You need at least a 90A breaker for that. You can only draw 80% of the circuit rating for continuous load. With a 80A breaker you're limited to 64A.
     
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  3. St Charles

    St Charles Member

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    Also, make sure your wiring is also up to code. It may not be as simple as changing the breaker.
     
  4. Lamy29

    Lamy29 Member

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    everything is newly installed along with upgraded 200amp panel. Just made the mistake of putting in an 80amp instead of 90. Not a major deal. Missing like 4-5 miles per hour.
     
  5. sorka

    sorka Active Member

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    Max is 64 continuous amps on a 80 amp breaker. Your 80 amp breaker will trip after a while at 72 amps.
     
  6. aesculus

    aesculus Still Trying to Figure this All Out

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    If the wiring can take it you might as well go to 100. They are probably cheaper and more available than a 90 amp breaker. Then if any older two charger Model S's show up you are good.
     

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