... ,arc force,overload protection MMA-200 welding machine 1.Advanced IGBT inverter technology, stable current, steady and intensive ... line compensate ability, anti-power supply fluctuation, steady welding current, reliable performance.3. Inside has proteitive circait ... interference, low noise, small splash, deep welding pool, good quality.Accessory:factory: Hot 380V dc inverter MMA-200 welding equipment