... Machine compact,light and portable automatic protection 110/220V Double Input Welder Inverter DC Argon Welding TIG Welding Machine TIG230 Features ... , copper, titanium, etc. ParameterTypeTIG-230Power input voltageAC220V±15%,50/60HZRated input power capacity (KVA)4.6Rate input current(A)20.7No-load voltage ...