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To be honest, the best and cheapest way to do something like this is to pick up used panels and used micro inverters. Then just add a dual pole 20 amp breaker and wire in the micro inverters. This way you aren't feeding DC into your house at all. It's essentially AC right from the inverter...

Micro inverters (at least Enphase) are grid tied. They only send if they detect voltage on the line (i.e. the grid is up). Not an expert on this but I don't believe you need a "rapid" shutdown device as it's AC lines on the roof and entering the house and not DC. With a string inverter you...

LOL. Too many Suffolks.

have you requested a quote via projectsolar.io for comparison. If you have chimney shading you would definitely want optimizers or micro inverters.

Do micro inverter based installs require a rapid shutdown device? I know if you run DC into the house it's required. From what I've read an Eaton AC disconnect doesn't qualify (from a code perspective) as a rapid shutdown device.