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The intent here is to use transfer switch in the event of grid failure to power main panel through the load side of the Sol-Ark 12k from battery/PV... normal grid-tied operation otherwise. Homeowner is aware they will have to manually shed loads in the main panel before activating bypass...

Hi, I am designing a project (not my own) and looking for some guidance. Homeowner has a 400A service that is split into two 200A panels off the meter. Homeowner wants a Sol-Ark 15k with 12x EG4-LL batteries for backup (2 stacks). Customer does not wish to add a PLP or do any load management...

Hello all, first post as a new member, longtime lurker. Does anyone know of a solution for reducing the size of a PV string (in series) using an AC-coil power contactor/relay? A part number would be fantastic. The objective is to isolate a string of panels down to just three panels to charge...