I'm trying to finalize details for a 400W 12v 230Ah RV system. 4 100W/12v panels - 2 sets in parallel of 2 panels in series (ie. there are 2 wires with 24V/11a/200W each ready to plug into the controller)
A little overwhelmed by fuse choices. Primarily not knowing the difference in different shapes. Also fast/slow blow etc.
I've come up with a first pass below, and would appreciate any feedback, especially w/r to slow/fast blow or if the form factor I've picked is wrong for some reason.
Fuse 1: Main battery fuse (needs to fit in battery box close to battery):
MIDI fuse in a terminal-connected block (40A). Small, cheap, terminal connections. Example:
Fuse 2: Charge converter -> Battery.
Interchangeability and low price. Another 40A MIDI.
Fuse(s) 3: Panels to charge controller (2 - 8awg wires, merged, then into controller):
I happen to have this style fused distribution block laying around. Silly, but any reason it won't work if I make sure the fuse used it rated for 24V+? 10A fuse on each pair.
Alternately, I considered a 10A inline MC4 fuses on each leg on the roof.
A little overwhelmed by fuse choices. Primarily not knowing the difference in different shapes. Also fast/slow blow etc.
I've come up with a first pass below, and would appreciate any feedback, especially w/r to slow/fast blow or if the form factor I've picked is wrong for some reason.
Fuse 1: Main battery fuse (needs to fit in battery box close to battery):
MIDI fuse in a terminal-connected block (40A). Small, cheap, terminal connections. Example:
Fuse 2: Charge converter -> Battery.
Interchangeability and low price. Another 40A MIDI.
Fuse(s) 3: Panels to charge controller (2 - 8awg wires, merged, then into controller):
I happen to have this style fused distribution block laying around. Silly, but any reason it won't work if I make sure the fuse used it rated for 24V+? 10A fuse on each pair.
Alternately, I considered a 10A inline MC4 fuses on each leg on the roof.
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