I've also used the big Polaris insulated tap connectors. I used one that has 6 ports that are max. 250 MCM, I believe. I don't know the amp rating, but I would assume it would match the largest conductor.
R. Walters r...@solarray.com Solar Engineer On Jan 17, 2012, at 11:17 AM, Allan Sindelar wrote: > Ray, > We have a job under contract this summer with four Sunny Islands and a Radian > sharing the same battery bank. Even with the SIs protected by 125A DC > breakers, that's 850A of DC capacity that we have to buss together. > > The Midnite bussbar in your link is rated 280A in its description. That > seemed pretty wimpy, given that a single Radian uses two 175A GJ breakers > with conductors paralleled, so I just called Ryan Mayfield, Midnite tech > support. As he understands it, the limit is on the terminal strip, not the > bussbar itself. He'll talk with Robin about this and get back to me; if I > learn more I'll share it here. > > Even the Del City bussbar is rated just 500A. Are there any higher-capacity > products available? > > Allan > > Allan Sindelar > al...@positiveenergysolar.com > NABCEP Certified Photovoltaic Installer > NABCEP Certified Technical Sales Professional > New Mexico EE98J Journeyman Electrician > Positive Energy, Inc. > 3201 Calle Marie > Santa Fe, New Mexico 87507 > 505 424-1112 > www.positiveenergysolar.com > > > > > On 1/17/2012 10:22 AM, R Ray Walters wrote: >> >> Midnite has a new one: >> http://www.midnitesolar.com/productPhoto.php?product_ID=207&productCatName=Busbars&productCat_ID=17 >> >> Here's a new one I just found with Del City also: >> http://www.delcity.net/cartviewitem?item=80510DL&search=buss+bar >> or http://www.delcity.net/cartviewitem?item=80006DL&search=distribution+block >> >> I've used the Ilsco insulated distribution blocks available at electrical >> supply houses. >> >> I've also made them out of 1/4" x 2" copper, and then used some weird way to >> isolate it, or bolted them to the breaker. >> >> R. Walters >> r...@solaray.com >> Solar Engineer >> >> >> >> >> On Jan 17, 2012, at 9:43 AM, jay peltz wrote: >> >>> Hi All, >>> >>> Where do I find buss bars for a battery parallel problem? >>> >>> I've got to fix a brand new ( not me) system, that has 4 sets of L-16's at >>> 24v. >>> Yea yea why didn't they go to 48? >>> >>> So I want to use buss bars to parallel them, and looking for premade ones. >>> >>> Thanks in advance, >>> >>> Jay >>> >>> Peltz power >>> _______________________________________________ >>> List sponsored by Home Power magazine >>> >>> List Address: RE-wrenches@lists.re-wrenches.org >>> >>> Options & settings: >>> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org >>> >>> List-Archive: >>> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org >>> >>> List rules & etiquette: >>> www.re-wrenches.org/etiquette.htm >>> >>> Check out participant bios: >>> www.members.re-wrenches.org >>> >>> >> _______________________________________________ >> List sponsored by Home Power magazine >> >> List Address: RE-wrenches@lists.re-wrenches.org >> >> Options & settings: >> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org >> >> List-Archive: >> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org >> >> List rules & etiquette: >> www.re-wrenches.org/etiquette.htm >> >> Check out participant bios: >> www.members.re-wrenches.org >> >> > _______________________________________________ > List sponsored by Home Power magazine > > List Address: RE-wrenches@lists.re-wrenches.org > > Options & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out participant bios: > www.members.re-wrenches.org >
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