We are pretty much sticking with Pulz power supplies unless engineers call for Phoenix Contact....Yes pricier , but they hold up well....In lieu of that, add protection .....
On Mar 26, 2017 6:05 PM, "Jaime Solorza" <[email protected]> wrote: > If you are using mean well supplies test them carefully to see how they > behave in a inrush or short circuit event. The SD series, on over > current, lock out until the input power is removed for ~10 seconds. This > can be a real problem if the inrush current of your load is sufficient to > trip them into lockout. Sometimes hard to see when you are starting up > a site or a site has equipment added to it after it’s been in operation for > a while. Power goes out, comes back on and the power supply locks out due > to inrush current. Very annoying. > > The RSD series does not have this issue. > > In any case - test your designs carefully. > > Mark > > On Mar 26, 2017, at 9:07 PM, Bill Prince <[email protected]> wrote: > > Check the specs on the Meanwell. Most good power supplies do have current > limiting built in. Most of them you can short the output and they will > limit to whatever the current limit is. > > bp > <part15sbs{at}gmail{dot}com> > > > On 3/26/2017 4:57 PM, Adam Moffett wrote: > > I just replaced a Meanwell SDR-240-48 today. I have no reason to think > there was a surge, but it made me think of the thread about the Netonix > POE and surge suppressors. If a DC surge protector clamps, am I shorting > my DC power supply? What's likely to happen? > > This unit is supposed to have protection for over voltage and overload > conditions. It doesn't specifically say anything about short > circuit....but I assume a short leads (rapidly) to an overload so maybe it > would be ok? > > > > > >
