[RE-wrenches] Fuse sizing in battery circuits

Ray Walters ray at solarray.com
Mon Apr 8 07:25:15 PDT 2013


Here's the Heine' Breaker sheet on the GJ1s.  Looks like for higher 
ampacities, they are just paralleling their smaller breakers.  That 
should fit in a regular Midnite or Outback enclosure though.

R.Ray Walters
CTO, Solarray, Inc
Nabcep Certified PV Installer,
Licensed Master Electrician
Solar Design Engineer
303 505-8760

On 4/8/2013 7:57 AM, William Dorsett wrote:
>
> Have you tried Eaton/Heinemann breakers? Old number is (410) 546-9778. 
> They've had some jumbo breakers that Trace used to use on their 
> battery disconnects.
>
> Bill Dorsett
>
> Manhattan, KS
>
> *From:*re-wrenches-bounces at lists.re-wrenches.org 
> [mailto:re-wrenches-bounces at lists.re-wrenches.org] *On Behalf Of *Troy 
> Harvey
> *Sent:* Sunday, April 07, 2013 9:39 PM
> *To:* Allan at positiveenergysolar.com; RE-wrenches
> *Subject:* Re: [RE-wrenches] Fuse sizing in battery circuits
>
> Allan,
>
> that is a good graph. Thanks. The time vs current is way different 
> than whst I've seen from fuse charts in the past.
>
> I'd rather use DC-breakers, but I'm having trouble finding 350AMP DC 
> breakers for 350MCM cable. Any resources?
>
> thanks,
>
> Troy Harvey
> ---------------------
> Principal Engineer
> Heliocentric
> 801-453-9434
> taharvey at heliocentric.org <mailto:taharvey at heliocentric.org>
>
>
>
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