What would the formula be to calculate main power run fuse size based on
gauge and length?


"thelizman" wrote in message
...
Z. Gluhak wrote:
"Mitzi" wrote in message
om...

What is the proper fuse size to use with my setup. Ive got a
Sony1600w P5 mono amp with an MTX404 thunder connected to its 2nd amp
conectors. My subs off the sony ar 12" kicker CVR's at 4ohms. The
MTX is pushing 4 Orion p6.5's. The setup currently has a 60A fuse that
blows after about 10-15min of use. The fuse was out in before the MTX
was added to the mix so I'm thinking it's not strong enough for the
new setup OR the MTX is causing the blow.

Any suggestion?


THANK YOU!!!

Mitzi



X watts/14.4 volts=fuse size in amps

Not so fast there, hoss. It sounds to me like he's talking about his
main power wire. In that case, the fuse should be appropriate to the
power handling capability of his wire. To know that, we need to know the
gauge and length of the run.

The fuse on the main power wire is to protect the power wire - or more
importantly, prevent fire should that wire short out. It has nothing to
do with the current draw of the system.

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