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Is there any DC breaker enclosure switch

Is there any DC breaker enclosure switch

Is there any DC breaker enclosure switch

(OP)
Apparently, I need a switch for 12VDC@15A for C1D2 area. I figure since we are using this as a 1 time per year, get a breaker enclosure, IE Eaton EFDC, and use that with a DC breaker. Apparently, I can't get this with a DC breaker, It can't be used for this application. The rating is 120VAC @ 20A. The voltage is derated by a factor of 10. Incase of a fault, it would trip. I don't see an issues with it but am I missing something or is there something else out there I need to look at?

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