Yes, good point about the 120% rule - thanks Jason. Unfortunately the existing meter main isn't one where we can downgrade the main breaker. I did find this lug kit that we can add to a 225A Eaton meter main which might do the trick.
https://www.platt.com/platt-electric-supply/Load-Center-Accessories-Sub-Feed-Lug-Blocks/Eaton/BRS225/product.aspx?zpid=270025 Sarah On Thu, May 9, 2019 at 1:20 PM Jason Szumlanski < ja...@floridasolardesigngroup.com> wrote: > I should note that if you are on NEC 2014 the 60 OCPD is not the correct > figure to use in the 120% rule. It would be 125% of the Inverter Output > Circuit rated current. > > It's probably a moot point in this case, but it is an important > distinction. > > > > On Thu, May 9, 2019 at 3:06 PM Jason Szumlanski < > ja...@floridasolardesigngroup.com> wrote: > >> Calc loads and see if you can replace the main with a 175A breaker if it >> exists, or even 150A. This main breaker downsizing has been a go-to >> exercise for us for existing meter-mains. It's frustrating being limited to >> 40A on the load side. That doesn't even get to 10kWdc with Enphase IQ7+, >> which is becoming a pretty small system these days around here. I tell >> every home builder I see to avoid meter-main combos but they keep putting >> them in. >> >> Sadly our utility accepts NONE of the "solar ready" panels on the market. >> That's another snag we run into. >> >> >> Jason Szumlanski >> Florida Solar Design Group >> >> >> >> >> On Thu, May 9, 2019 at 2:50 PM Sarah Ray <sarahm...@gmail.com> wrote: >> >>> Hi Wrenches, >>> >>> Does anyone have a recommendation for a meter main with a 225A bus and >>> pass through lugs? Eaton and SquareD make meter mains with a 225A bus, but >>> no pass-through lugs, so they don't work well for most retrofit >>> applications. >>> >>> We would like to connect our inverter output to a feeder that is fed by >>> the pass through lugs in the existing 200A meter main (which is located at >>> another building.) The inverter output has a 60A OCPD, so the 200A meter >>> main bus is not sufficient. >>> >>> Any suggestions you have would be greatly appreciated! >>> >>> Thank you, >>> >>> Sarah Ray >>> >>> OnSite Energy, Inc. >>> 619 N Church Ave, Suite 4 >>> Bozeman, MT 59715 >>> Cell: (406) 579-6512 >>> >>> _______________________________________________ >>> 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 >>> <https://mailtrack.io/trace/link/d413296e828a0e208b2d0ff5432ecc5b908495fe?url=http%3A%2F%2Flists.re-wrenches.org%2Foptions.cgi%2Fre-wrenches-re-wrenches.org&userId=1613865&signature=64bdd88fc0bbb783> >>> >>> List-Archive: >>> http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html >>> <https://mailtrack.io/trace/link/45219de793b9098a8d5ffcc67ca9f44b071c0d48?url=http%3A%2F%2Fwww.mail-archive.com%2Fre-wrenches%40lists.re-wrenches.org%2Fmaillist.html&userId=1613865&signature=6149e0d8a0774b09> >>> >>> List rules & etiquette: >>> www.re-wrenches.org/etiquette.htm >>> <https://mailtrack.io/trace/link/8be75159e5a0c4a3889df5150d9b70bf4ea0d604?url=http%3A%2F%2Fwww.re-wrenches.org%2Fetiquette.htm&userId=1613865&signature=54b4c005f0a209b3> >>> >>> Check out or update participant bios: >>> www.members.re-wrenches.org >>> <https://mailtrack.io/trace/link/cd63071172203220e2b175dbbda003eef34fdc00?url=http%3A%2F%2Fwww.members.re-wrenches.org&userId=1613865&signature=48d52634fc25b5da> >>> >>> _______________________________________________ > 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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