80VDC 10A fuse?
Thinking of arranging my solar setup "the right way" - add all the recommended fuses, like PV fuse, battery fuse, controller fuse and load fuse. It works as it is, so I'm going against the rule "it wo...
Forum Discussion
Salvo wrote:
Under what circumstances is the panel at risk? I see none.
SalKD4UPL wrote:
A fuse in line with your solar panels is to protect the panel, not the wire.
Hypothetically, you can burn 8A panel by passing 40A current through it - damage diodes in there, or wiring in that small connections box attached to the panel. But I can't imagine where this current would come from, on the section between the panel and controller. Especially if both battery and controller are fused. Lightning bolt striking right into the panel wire?
Btw, I checked my panel specs and it agrees with what Don said - 25A suggested maximum fuse in series. Which probably will be 20A or 30A breaker, for simplicity. There are no cheap 25A DC breakers.
