This is a very timely discussion for us also as we have
many Midnight MNPV6 discos in the sun. Though we're careful about
tightening wire landings, using contact cleaner for the fuses and fuse
holders, some installs seem to get hotter than others. We just started
making a very sim
>From my experience with reflective roofs galvanized quickly ages becoming
less reflective! White is best aluminum paint next.
Ken Schaal
CommonWealth Solar
On Thu, Nov 19, 2020, 9:17 AM frenergy wrote:
> This is a very timely discussion for us also as we have many
> Midnight MNPV6 d
I looked up on the eaton site and found this information. Page 6, its a
temperature derate curve, which I think is your problem.
In short, at 160F, for a slow blow fuse it is derated 20%.
At 176f its 25% derated.
I couldn’t find any fuses that have a high temp rating.
jay
https://m.littelf
Very interesting, Jay. The Bussman curve I just looked up is very similar.
If that is the sole issue then replacing the disconnect alone with an HD
version may not solve the problem. The better corrective action may be
increasing the fuse rating and the wire size accordingly. However, since
this i
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