When I replaced my battery isolator I thought I would be proactive and install an in-line 30 amp circuit breaker. Today I tripped the breaker two times . I'm thinking I used to small of a breaker I really not sure why I chose a 30 amp breaker. The charge controller is a 60 amp rating all the cables connecting the battery Are 4 gauge. I like the idea of having a circuit breaker between the house batteries and the coach batteries. Can anyone recommend a circuit breaker size that would be appropriate.
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