... quality welding, welding points free from pollution, and energy saving.Specifications Model ML-W200Max.average power ... consumption ≤4kwElectrical source 220V±10%/50Hz/30ASystem composition and environmentalrequirements system compostion ,Host computer, Cold water ... Humidity5% to 75% No condensationElectric power source220V50HZ Alternating current,.30A airbrake switch ,voltage stability Gold laser ...