Have you checked out the rotary disconnects available from IDC? Their UL listing is only to 600 V (IEC 1000), but they have numerous, multi-pole configurations, and are outdoor rated. And inexpensive too.
http://www.industrialcontroldirect.com/solar-energy-solutions-267/solar-power-disconnect-268/dc-disconnect-3949.html I haven't installed them yet, but have worked on some designs using the AC versions as inverter equipment disconnects. Cheers, Brian Mehalic NABCEP Certified Solar PV Installation Professional™ R031508-59 PV Curriculum Developer and Instructor Solar Energy International http://www.solarenergy.org On Wed, Oct 8, 2014 at 1:46 PM, b...@midnitesolar.com <b...@midnitesolar.com> wrote: > > William, > There is this DLTL disco with 8 poles. I understand that the "street > price" is very possible less than the $579 4-pole you cited earlier. > > For future reference, this is also rapid shutdown ready. > > > http://www.midnitesolar.com/productPhoto.php?product_ID=583&productCatName=RAPID-SHUTDOWN-SYSTEM-NEC-690.12&productCat_ID=44&sortOrder=2&act=p > > boB > > > > > > On 10/7/2014 7:52 PM, William Miller wrote: > > Jeremy: > > > > With 4 strings of PV into 2 transformerless inverters, I would need 2 of > them. At $579.00 each this is a deal killer. > > > > William > > > > > > [image: Gradient Cap_mini] > Lic 773985 > millersolar.com <http://www.millersolar.com/> > 805-438-5600 > > > > *From:* RE-wrenches [mailto:re-wrenches-boun...@lists.re-wrenches.org > <re-wrenches-boun...@lists.re-wrenches.org>] *On Behalf Of *All Solar, > Inc. > *Sent:* Tuesday, October 07, 2014 4:28 PM > *To:* RE-wrenches > *Subject:* Re: [RE-wrenches] TL inverter with long DC Feeder > > > > Use the Midnite SOB series. > > They have a 4 pole > > Jeremy Rodriguez, > > President > > > > _______________________________________________ > List sponsored by Redwood Alliance > > List Address: RE-wrenches@lists.re-wrenches.org > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out or update participant bios: > www.members.re-wrenches.org > > >
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