Victron 100/20 MPPT almost caused fire. battery terminal gave 80v , same as PV side

DIY
,
23

Unfortunately I don’t that’s about as detailed as Midnite has got about it. Be aware the shunt trip breaker is around $100 including shipping when purchased standalone.

Here’s how the shunt trip breaker connects to the hawkes bay scc:

Screenshot_20260326_205802_Chrome
Screenshot_20260326_205802_Chrome1920×771 199 KB