23 Dec
2010
23 Dec
'10
6:31 p.m.
Tobias Russell wrote:
I've recently acquired a Variac (220V 10A) and was
wondering what the
collectives views are on using them to revive long dormant power
supplies.
[...]
but will it also work with later DEC switchmode PSUs?
No! You should never run a switching supply on a variac, except within
the supply's rated input voltage range. Definitely do not plug the
supply into the variac and dial it up from zero!