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mikestock's avatar
mikestock
Explorer
Nov 30, 2016

Functional difference between JLLN and ANL type fuses

I may have accidentally, unknowingly, touched my positive lead to ground at my inverter and it blew the main 300 amp Type T, JLLN fuse. Until I'm sure this was a one time thing and no problem exists, ...
mikestock's avatar
mikestock
Explorer
Dec 01, 2016
This is weird to the point of not wanting to believe it.


It's either true or mister Simpson and mister Fluke are messing with me.

Must have some kind of diode in each direction in line with separate fuses. Could be something about the fuse, to allow charging in one direction and output to inverter in the other.:h:?

With the fuse replaced with a jumper everything is working.

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