... and quality welding 3.380V,single phase. MIG-315Y Inverter CO2 MIG Welding Machine Model:MIG200Y/250Y/280G/315Y/200F/ ... ,3.Earth wire 1set(3m),II.Parameters MIG-315Y Inverter CO2 MIG Welding Machine ModelMIG315YSupply Voltage(V)380V, Three PhaseFrequency ... Low Carbon Steel, High Tensile Steel, Ordinary steelAdvanced Inverter Technology: The inverter frequency is up to 100KHZ and conversion efficiency to ...