Inverter Square Wave AC/DC TIG WelderFeature and Application1.Double inverter controll the output electric wave, arc is stable, excellent square wave power, reduce the cost of welding and rise the quality. 2.The multipurpose welding machines in the series can be operated for DC TIG, AC TIG, pulse TIG welding processes. 3.High inverter frequency,high efficiency,low noise. 4.High frequency and high voltage arc initiating,high success rate. 5.With the perfect automatic protect functions of over pressure,over heat, over power, over load and lack of pressure, safty and reliable. 6.DC TIG, be able to weld stainless steel, alloy steel, carbon steel, copper and titanium metal etc. AC TIG, be able to weld aluminum and aluminum-alloy. Main SpecificationPower SupplyAC380V three phaseRated Frequency50/60HzNo-load Voltage45VRated Input Current14ADuty Cycle60%Rank of InsulationFRank of ProtectionIp21No-load Loss35Efficiency85%Weight(kg)34Dimension(mm)540×360×470Welded MaterialAluminium, Al-Mn, Mg, Carbon steel, stainless steel, low alloy steelThickness of welded material(aluminium, Al-Mn, Al-Mg(mm)0.5-8.0Thickness of welded material(Carbon steel, stainless steel, low alloy steel(mm)0.5-8.0Welded MethodAC TIG for aluminium, Al-Mn, MgDC TIG for stainless steel, carbon steel, low alloy steel