... ) inverter technology 2.hot start,arc force,overload protection MMA-200 igbt machine 1. Advanced IGBT inverter technology, stable current, steady ... clamp, ect.Function and Specialty.1. Advanced invert technology, simple circuit, compact, light efficiency and energy saving.2. Strong power line ... .factory:standard accessory:package: 140A arc dc inverter IGBT MMA-200 welding equipment