Using 7.5kw of panels on a metal roof with this inverter
The project will have 24 panels, 315w Warree mono. They will be mounted on a metal R-panel roof.
The inverter is an: SMA SB7.0-1SP-US-41, a transformerless design.
Is this a good match?
How do the panels have to be mounted to be ungrounded as required?
Thank you for your help.
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