I thought all the Trangos (Apex, Apex Plus, Apex Lynx) were +48V and
they ground the - terminal?
Opposite most others that declare -48V (and ground the + terminal). But
"most" of them actually float both terminals.
bp
<part15sbs{at}gmail{dot}com>
On 4/19/2017 6:22 PM, George Skorup wrote:
Most 48v supplies are floating on the output side. I regularly use
Mean Well MDR-100-48's for failed Trango ApexPlus power supplies
(which *do* have the +/0v side tied to the earth side of the AC cord,
BTW). The big capacitor in those usually blow from heat. The MDR works
fine with the + side going to earth/ground, essentially making a "-48"
supply.
I remember that the original Apex power supply was just a brick, but I
don't recall if it had a grounded/3-position AC line cord though.
If you're talking Apex, make sure the supply is at least 1.25A or so.
If ApexPlus, you're going to want at least 1.75A. And obviously you
don't want a supply that ties the negative side to ground.
On 4/19/2017 8:10 PM, Cassidy B. Larson wrote:
I have a trango apex power supply that bit the dust. Says -48v on it. I don't
have a spare -48v. Thoughts on quickest way to restore it to service? I got
plenty of saf ones that show 48v.
