QO Breakers and Panels [RE-wrenches]

[Bill Brooks]

Heinemann (I didn't know how to spell it either--had to use spellcheck than
reference Wiles' book to be sure) breakers can be mounted in a custom
enclosure, but that does raise issues with some inspectors. There are at
least one or two other breaker manufacturers rating for 125 Vdc. Check Trace
and others. I recently saw a 20-amp, 125-Vdc breaker by another company name
but the case molding was identical to the Heinemann--must be a subsidiary.

My recollection of the QOU breaker is that it is slightly larger than the
snap-in version. Don't know if that makes a difference in performance, but
some are saying they can get QO breakers rated for 125Vdc in a special
enclosure. I'm from Missouri (Africa really), I'll believe it when I see it.

Bill.

-----Original Message-----
From: William Miller [mailto:wrmiller at slonet.org]
Sent: Thursday, March 08, 2001 12:55 AM
To: RE-wrenches at topica.com
Subject: RE: QO Breakers and Panels [RE-wrenches]


Bill:

Thanks for the informative post.  So who makes a breaker suitable for 48
VDC nominal or higher PV systems besides Hindeman (is that spelled
correctly?).  How do you mount a Hindeman in a custom enclosure?  Isn't a
QOU just a QO in a bolt down package?

I'll look up my Square D data in the next day or two,

William

You wrote:>
>Switches, circuit breakers, and fuses are readily available for 125 Volts
>DC, but we are at the manufacturer's mercy on combiners.
>


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 michael.welch at homepower.com

____________________________________________________________
T O P I C A  -- Learn More. Surf Less. 
Newsletters, Tips and Discussions on Topics You Choose.
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