Model:WSME -200/250/315 AC/DC inverter pulse TIG/MMA welding machine Features TIG/MMA welding available IGBT inverter technology, small size, light weight Switching frequency is beyond audio range, which is almost eliminates noise pollution Adcanced control technology widens the appliable voltage range of the machine Digital display, various TIG operation modes, reliable HF arc-tarting, stable arc. ModelWSME-200WSME-250WSME-315Input power voltage/frequency(V/Hz)AC220±15% (Single Phase,50/60Hz)AC220±15% (Single Phase,50/60Hz)AC380±15% (Single Phase,50/60Hz)Rated input power capacity(KVA)4.56.38.5Output current Range (A)10-20030-25030-315Working Voltage (V)181823No-load voltage(V)565645Duty Cycle (%)606060Arc-startingHFHFHFEfficiency858585Insulation ClassFFFPower Factor(CosΦ)0.930.930.93Weight(Kg)202637Dimensions(MM)493X330X320493X330X320560X365X355Protection ClassIP23IP23IP23Postflow Time (S)0-20-20-2Clean Width20-8020-8020-80Down-slope Time(S)0-100-100-10Postflow Time (S)1-101-101-10Romote ControlYESYESYESWelding Thickness(MM)0.5-100.5-100.8-15Base Current10-9010-9010-90Pluse Frequency0.5-3000.5-3000.5-300