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Is there such a thing as too many breakers?
Based on your initial images, I would go with either fuses for each string, or breakers for each string. I wouldn't use both. And generally fusing/breakers go on the Positive side. Not that it's better, but that it's just more consistent with everything else (like inverters and such).

As mentioned by OffGrid and Redpacket, fuse each cell in each pack. Use a breaker between strings and shunt, and put everything else after the shunt trip. If you have multiple strings, it'd be a good idea to have some kind of physical disconnect (other than a bolt) to shutdown a string independently of the others. Even the older style blade switches would be sufficient for that purpose. And might actually look pretty neat if set up with lots of strings going through them and they are lined up along the wall.
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RE: Is there such a thing as too many breakers? - by Korishan - 05-17-2020, 12:59 PM

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