The ICT shelves come in both +48v and -48v flavors. Usually the positive version has a P on the end of the model. An ICT-2U4 would be negative, and an ICT-2U4P is positive. You can mix both -48 and +48 loads at one site, but you need an isolated DC-DC converter such as a Meanwell RSD-500C-48.
On Mon, Jan 8, 2024 at 10:26 AM Mark - Myakka Technologies <m...@mailmt.com> wrote: > I know we have been though this many times and I thought I understood it. > > -48VDC is the Negative side being HOT, correct? > > It is BAD to try to mix -48VDC and 48VDC > > There is no such thing as a -48V battery. A battery is a battery, correct? > > How about the ICT Platinum power supplies. They show as 48VDC, can they > be used on -48VDC equipment? > > I remember Check saying something about a way to test to see if a piece of > equipment that is Neg 48VDC is truly grounded as Neg 48VDC. > > > -- > > Thanks, > Mark mailto:m...@mailmt.com > > Myakka Communications > www.Myakka.com > > > -- > AF mailing list > AF@af.afmug.com > http://af.afmug.com/mailman/listinfo/af_af.afmug.com >
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