The SPDs will have to be mounted beyond the inverter As well as in a NEMA kind- 3R enclosure or greater if it is an out of doors application.
The products have certifications of CE, ROHS, TUV, CB. JOHNN believes https://emiliaizbo441322.techionblog.com/30310586/the-fact-about-pv-junction-box-manufacturers-that-no-one-is-suggesting