1.Adoptadvancedinvertertechnology,usedimportMOSFETcomponent,havetheverygoodconstantcurrentcharacteristic, forsheetwelding,shapeisgood,efficiencyishigh,energy-conservationisremarkable; 2.Suitableforweldingstainlesssteel,carbonsteel,copperandothernonferrousmetals; 3.Usedextensivelyforfitment,outdoorinstallation,kitchenutensils,medicalmachinery,foodmachinery,machinerymaintainingandchemicalmachinery. ParameterUnitWS7-160DWS7-200DRated primary voltageVSingle-phase 220FrequencyHz50/6050/60Rated primary inputKVA5.37.0Rated output currentA160200Output current rangeA10-16010-200Rated duty cycle%6060No-load voltageV4343Gas pre-flow times0.50.5Gas post-flow times1-101-10Overall dimensionsmm410×180×300Weightkg911