The introduction of AC/DC MMA/TIG/CUTmultifunction Welder SUPER200is as follows: Feature: 1. Reactive power correction, MOSFET, AC/DC or pulse output , soft switch, inverter with 100 kHz high frequency; 2.Compact structure, stable welding current, steady and intensive arc, reliable and durable, easy for maintenance; 3.Excellent control performance, multiple functions of TIG, MMA and CUT; 4.The model with P means function of pulse with 9 regulator knobs, and the model without P has only 5 regulator knobs; 5.Thermostatic protection, over-voltage protection, over-current protection, under-voltage protection, pedal control interface for safe operation; 6.Complete accessories: welding torch, cutting torch, welding holder, earth clamp, compressed air regulator, etc. Specification: Power supply : 220v+/-10, 50Hz, single phase Rate output TIG:10-200A Rate output MMA:10-180A Rate output CUT:25-50A MAX Dia. of rodΦ(MMA): 4.0mm Rated duty cycle (%): 60 Power Factor Cosφ (η):0.95 Insulation class B Protection class: IP21 Max. cutting thickness (mm): 15mm