I've installed several of these in transportable solar generator units and the DC250 disconnect is a bit expensive, but the convenience is good. One can certainly do better purchasing the indiviual components and assembling yourself. The enclosure has plenty of knockouts and mounting points for things like breakers for your PV array. Lots of room inside the enclosure, whcih I do not really need as I typically only have to wiring in the battery cables for 4 batteries and calbing for two solar panels.

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