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Last time I used Ferrule Connectors, I got brass/bronze. Frustrated, I thought of using Copper Tubes or Butt Connectors to make Ferrule terminals: Having said that, I found this item (called Cable Lug). What are your opinions regarding these two for high current connections (10A ~ 100A)...

Hi all! What should be the proper SPDs for DC and AC application? DC SPD: MPPTs are rated 500V PV+ to PV- measures 300Vdc ~ 400Vdc PV- to PE/GND measures -200VDC PV+ to PE/GND measures +150VDC Is SPD with a Uc of 500Vdc the correct one? What if either PV+ or PV- is shorted to N? What should be...

What SCC can charge high voltage battery packs? battery packs like 50s, 60s, 80s ...

I have East, South and West roofs. Obviously I should not string my panels into a single string. So I thought of installing 3 strings. Unfortunately, my MPPT cannot accommodate the current. A friend suggested installing a Current Limiter before entering the MPPT. The only purpose-built...