Harmony5000
New Member
- Joined
- Feb 8, 2022
- Messages
- 54
Hi everybody. I just read an article leading me to believe I should install fuses between each panel. Either this is a bad article or I’m seriously misunderstanding something?
I’m using five renogy 100 watt panels. Unsure at the moment of the configuration I should use. I called renogy and they said this would be ok with my 40amp mppt charge controller as it’s rated for 520watts.
I think the wire size coming out of each panel is 12awg. Mmm that would mean it’s only safe for 20amps of current is that right?
Wiring parallel makes amperage additive right? So if the wire from the panels is only 12guage it would make it unsafe to use 5 panels in parallel because of the -wire- it’s self not the 520watts mppt. Uhm is that right?
I came to this conclusion trying to figure out fuse size to put between panels and charge controller - If my calc is correct this would put me at 30.8125. Panel Amp 5.38 x 5 panels x 1.25 = 30.8125
Wasn’t sure wether to use optimum operating current (5.38amps) or short circuited current (5.86amps) for the figure?
Uh so lost.. If even the 4 solar panels packaged with the starter kit were wired in parallel it seems to me this would put it over 12awg wire safety limit..
What am I not getting? Please help?
I’m using five renogy 100 watt panels. Unsure at the moment of the configuration I should use. I called renogy and they said this would be ok with my 40amp mppt charge controller as it’s rated for 520watts.
I think the wire size coming out of each panel is 12awg. Mmm that would mean it’s only safe for 20amps of current is that right?
Wiring parallel makes amperage additive right? So if the wire from the panels is only 12guage it would make it unsafe to use 5 panels in parallel because of the -wire- it’s self not the 520watts mppt. Uhm is that right?
I came to this conclusion trying to figure out fuse size to put between panels and charge controller - If my calc is correct this would put me at 30.8125. Panel Amp 5.38 x 5 panels x 1.25 = 30.8125
Wasn’t sure wether to use optimum operating current (5.38amps) or short circuited current (5.86amps) for the figure?
Uh so lost.. If even the 4 solar panels packaged with the starter kit were wired in parallel it seems to me this would put it over 12awg wire safety limit..
What am I not getting? Please help?