... -function welding machine FEATURES of Multi-function AC/DC Pulse TIG/MMA/CUT Welding machine SUPER-200P:1.Reactive ... power correction, MOSFET, AC/DC or pulse output , soft switch, inverter with 100 kHz high frequency;2.Compact structure, stable ... control performance, multiple functions of TIG, MMA and CUT;4.With pulse function;5.Thermostatic protection, over-voltage protection, over-current ...