I am in the midst of installing a 800kWp PV System. I have selected and ordered 6 nos. SMA Core 2 (12mppt x 2 strings) inverters which have inbuilt DC and AC SPDs as well as 1 isolator per 3 mppts. Need advise if I should use additional external SPDs / isolators per string. Also is anyone aware if there are SPDs per MPPT within the inverter or just 1 main SPD?
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Discuss Advise on DC Surge Protection - SMA Core2 in the UK Electrical Forum area at ElectriciansForums.net
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