Wrenches Some time back, (years) l did a off grid system for a customer that was building his home, he was milli g lumber from the home site, l quoted a Outback PS-4 3648, the customer already had a very large battery bank 2000 amp hrs. at 48 DC nominal. Anyway he had a well on a 5 hp. freq drive and a very big tall 6" bandsaw, trace/Schneider said no way could there stack do the job and it was larger. Outback on the other had said no problem and for years after that PS-4 ran the well, the saws and now the finished home. It is interesting that Schneider was not willing to do what Outback could, they must have something in there root programming preventing the stacked surge. Some like Chevrolet, some like Ford, l have done rows of Radians and lm sure some out there have the same with other manufacturers. It's all good data for all of us. Jerry
On Thu, Jul 25, 2019, 4:15 PM Jeff Clearwater <je...@villagepowerdesign.com> wrote: > Hey There Wrenches, > > So be advised that after a little research the SW dual stack will NOT > double the surge ratings of a single SW. > > But that brings me to my second question: > > What inverter surge rating should one refer to when looking at maximum > Inrush or LRA - 1ms? 100ms? 1 sec? > > Your engineering wisdom welcomed! > > Thanks, > > Jeff > > > > Jeff Clearwater wrote on 7/23/19 8:27 PM: > > Thanks for the tip! I'll check the firmware. > > Dave Angelini Offgrid Solar wrote on 7/22/19 9:11 AM: > > Hi Jeff, > > > > I am not going to guess if this will work, it should. I use XW's because > they start anything I have come across. > > If you do this, make sure but SW's have the latest and same firmware. > There were problems with stacked SW's early on in their development. > > *Dave Angelini Offgrid Solar > "we go where powerlines don't" > http://members.sti.net/offgridsolar/ <http://members.sti.net/offgridsolar/> > e-mail offgridso...@sti.net <offgridso...@sti.net> > text 209 813 0060* > > On Mon, 22 Jul 2019 07:26:07 -0700, Jeff Clearwater > <je...@villagepowerdesign.com> <je...@villagepowerdesign.com> wrote: > > Hey Esteemed Wrenches, > > So I recently built a power trailer with a single 4 KW (4048) Schneider SW > for a client with a moderate cabin lifestyle. > > But he lives on a high hill and even though his 2 HP Macerator is only > rated at 15 amps continuous that baby starts up with a whopping kick - > probably close to or at it's 53 Amps Locked Rotor rating. > > The SW has the following surge capability: > > SW 4048 Rated @ 240 Volts: > Continuous - 15.2 Amps 3700 Watts > 30 Minutes - 18.3 Amps 4400 Watts > 5 Secs - 29.2 Amps 7000 Watts > Max (100ms?) - 41 Amps - 9840 Watts > > Can I be confidant that 2 stacked SWs will start this baby? > > Any experience with similar macerators - or simply educated guesses? > > Thanks! > > Jeff > > -- > > > > *Dave Angelini Offgrid Solar > "we go where powerlines don't" > http://members.sti.net/offgridsolar/ <http://members.sti.net/offgridsolar/> > e-mail offgridso...@sti.net <offgridso...@sti.net> > text 209 813 0060* > > > > > _______________________________________________ > 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 > > > _______________________________________________ > 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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