Hi
I have 15 Amp PS and this is not a problem
Problem WAS a noise
I get noise filter from one old Schneider VFD and now working perfectly
Usually I use Schneider VFD and I newer have this problem before but how I tray one Chinese
Its look ok but...
Anyway thanks for help and if I can help something please let me know because I have some experience with cnc and lasers
there is my machines

http://www.youtube.com/user/JASKO1111111111#g/u
thanks