[RE-wrenches] Large current battery combiners, UL Listing
Jeff Clearwater
jeffc at villagepowerdesign.com
Fri Dec 2 14:52:58 PST 2022
Actually up to 1500 amps available including 1000 amp version as well. It’s hidden in the spec sheets under large fuse holders.
Sent from my iPhone
> On Dec 2, 2022, at 5:20 PM, Glenn Burt via RE-wrenches <re-wrenches at lists.re-wrenches.org> wrote:
>
>
> I recently found that Victron makes DC bus bars for battery work with studs already on them. Up to 600A models are available.
>
> -Glenn
> Sent from my 'smart'phone, so please excuse typos and spelling errors.
>
> ------ Original message------
> From: William Miller via RE-wrenches
> Date: Fri, Dec 2, 2022 3:42 PM
> To: RE-wrenches;
> Cc: William Miller;
> Subject:Re: [RE-wrenches] Large current battery combiners, UL Listing
>
> Colleagues:
>
>
>
> I am gearing up to tap some more copper. I assume this is a pertinent subject since bus bars are going to be needed frequently for any storage work.
>
>
>
> I bought the fancy drill press with the tapping function and I am setting it up. I ran a few tests and the functionality of the tool is pretty amazing. I still need to work on programming it to reverse when needed. I am close. I also ordered a cross vise for part holding.
>
>
>
> I found this tutorial on line that has provided me with some valuable insight on different styles of taps.
>
>
>
> William
>
>
>
> Miller Solar
>
> 17395 Oak Road, Atascadero, CA 93422
>
> 805-438-5600
>
> www.millersolar.com
>
> CA Lic. 773985
>
>
>
>
>
> From: RE-wrenches [mailto:re-wrenches-bounces at lists.re-wrenches.org] On Behalf Of Michael Morningstar via RE-wrenches
> Sent: Monday, September 12, 2022 7:39 PM
> To: RE-wrenches
> Cc: Michael Morningstar
> Subject: Re: [RE-wrenches] Large current battery combiners, UL Listing
>
>
>
> No, I haven't. I'll do some testing tomorrow as we have 60 holes/taps to do in the above mentioned bussing
>
>
>
> On Mon, Sep 12, 2022 at 7:54 AM frenergy via RE-wrenches <re-wrenches at lists.re-wrenches.org> wrote:
>
> Michael,
>
> Are you using kerosene as a cutting fluid? We've had
> better luck with that in softer than steel metals.
>
> Bill
>
> Feather River Solar Electric
> Bill Battagin, Owner
> 4291 Nelson St.
> Taylorsville, CA 95983
> 530.284.7849
> CA Lic 874049
>
> On 9/11/2022 7:00 PM, Michael Morningstar via RE-wrenches wrote:
> > We've gotten around needing UL listings for one-off in house
> > fabrication by running things through a licensed engineer. Right now
> > we are building a gutter bus which has two 1/2" x 4" x 20' copper bars
> > in a 10" x 10" gutter. We are using 2" x 9" x 9" UDPM plates with
> > slots routed out for the bars as insulators. This is for 24 Discover
> > AES and 8 Sol-Ark's. It usually costs about 1K to have an engineer
> > sign off on our designs.
> >
> > I'd be interested in learning tricks for tapping 3/8" in thick copper.
> > I've never been able to get consistent results and resort to
> > thru-bolting.
>
>
> --
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> --
>
> Michael Morningstar
>
> Morningstar Electric
> PO Box 1494
> Mount Shasta, CA 96067
> 530-921-0560
> mjmorningstar at gmail.com
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