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Old 07-06-2020, 05:21 AM   #1
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Circuit breaker size
HI Guys,
I'm up grading my solar system to two panels 320w and four 6v gc batteries and a 40 amp mppt controller. I was wondering what suze circut breakers should I use before and after the controller.
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Old 07-06-2020, 06:09 AM   #2
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Breakers should be sized according to the wire gauge and length of run. The length should not really be a factor though. I'd assume it is a short run.
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