Re: (ET) current draw

[john <johnreinhard rochester rr com>]

Anybody know the trip curves on Elec-Trak fuses and breakers ?

(Slow-blow, fast blow have graphical curves, as do breakers).

That is all the difference, when discussing inrush & short term amp surges.

John


On 7/9/25 12:26, JEFFREY ANTONUCCI via Elec-trak wrote:
> You are correct - 90A breaker on accessories
>
> > On 07/09/2025 11:49 AM EDT Ken Olum <kdo cosmos phy tufts edu> wrote:
> >
> >   
> > From: Christopher Zach via Elec-trak <elec-trak cosmos phy tufts edu>
> >     Date: Tue, 8 Jul 2025 20:19:16 -0400
> >
> >     Driving the Elec-trak in insane mode (blowing snow uphill at full 
> > speed)
> >     I didn't go much above 300a total draw.
> >
> > 300A?  Yup, that's insane!  Isn't there a 90A breaker on the snowblower
> > or the PTO, or am I misremembering?  And isn't it wired with 6AWG,
> > ampacity perhaps 75A in cold weather?
> >
> > On my Electric Ox I try to keep my blower power from exceeding the 5kW
> > rating on my motor (so about 100A at 48V nominal) and my total
> > consumption below 150A to avoid blowing the 150A fuses at the batteries.
> > And I redid the wiring that goes to the blower in 4AWG.
> >
> >                                          Ken
> >
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