Question about Cutler Hammer Brh290 90 Amp 2 Pole Circuit Breaker

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Hi, my 90 amp cutler hammer breaker (for my ac system) went out. All I can find at the moment is a 100 amp unit is that ok to use?

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You will need to check the name plate rating of your A/C it is possible that you may not even need that large of a breaker. Most of the older units that had straight electric heat strips used this large of a circuit. If it has been changed out chances are a different size will be needed. On the nameplate there will be a minimum circuit ampacity and a maxi-um over-current protection that is the boundaries for your breaker size. If you do have a larger breaker on than what the unit calls for it could cause more damage to the unit if a problem occurs. Good luck!

Posted on Oct 02, 2010

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Posted on Jan 02, 2017

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