BFL, not to put you on the spot, but to hopefully jog your memory, I found one of your posts from june 2011 while looking for info on the pm3-100's:
"Posted By: BFL13 on 06/22/11 11:07am
(UPDATE added new post on thread )
What follows is not guaranteed info but my interpretation of info--so if spending money get it confirmed!
Talking to the company, they clarify that the PM3-100 has a power factor corrected version and a non-power factor corrected version."
I also noticed a while back your 100 has FOUR 20a fuses? I always thought that was a little odd? But I found one on youtube with only 3:
http://www.youtube.com/watch?v=lyzD4an76yA
