Decided to go with the new breaker . SquareD with interlock kit will do a smaller sub panel for critical loads for everyday backup. But long term backup will be able to switch the interlock kit on and isolate my self from grid and Sw 4048 create the grid to provide power to my panels. Have my lines temporary as they will be changing just needed proof of concept first before i put more money into it. Also have a auto gen start in case or long term cloudiness i can turn the solar off and turn the generator on to charge the batteries if they get critically low.
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