... circuit feedback, MAG250(B12) IGBT welding inverter Feathers:MIG(MAG/CO2)IGBT inverter technology,current-model control,reliable quality, ... workpiece with a thinckness of more than 0.8mm;Small size, light weight, easy operation, economical and practical;Stable ... technology, inductance adjustment function, according to adjust the size of welding technology requirements, Deep welding penetration, reduce ...