Trace Charge Controller Ratings [RE-wrenches]

[Allan Sindelar]

Wrenches,
I forwarded Eric's question about 100% rating on Trace DC disconnects to
John Wiles. Below is his response.
Allan @+NRG

----- Original Message -----
From: "John Wiles" <jwiles at nmsu.edu>
To: "Allan Sindelar" <allan at positiveenergysolar.com>; "Pagan MacKay"
<Pagan.MacKay at traceengineering.com>
Sent: Wednesday, April 24, 2002 1:47 PM
Subject: Re: Fw: Re:Trace Charge Controller Ratings [RE-wrenches]


> Dear Allan:
>
> The basic Heinemann 250 amp and 175 amp breakers are listed for
> operation at 100% duty.  According to NEC requirements, to be able to
> use that rating, Trace would have to have had the breakers tested and
> evaluated in the DC 250 enclosure at 100%.  The testing would have to
> include single breakers and double breakers.  Their listing
> information will tell the story and if so, a label should probably be
> added to the inside of the DC 250 enclosures.  It might even allow
> them to justify the use of 4/0 AWG cables on the SW4024, but that is
> another story.
>

> >----- Original Message -----
> >From: "Eric Smiley" <Eric_Smiley at bcit.ca>
> >>  Is the DC 175/DC 250 Disconnect from Xantrex rated 100%? There is no
> >>  indication on the enclosure (or in the instructions)  that it is rated
> >>  100% and that is what the inspector wants to see.
> >>

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