... welding machine IGBT Advanced Inverter technology,IGBT,energy saving,good quality,perfect performance,CE&ROSH Inverter MIG 160 co2 welding machine IGBT ... Features 1.IGBT Inverter technology,current control,super quality ... adjustment range(A)40-16040-20040-25040-270Duty cycle(%)160@60%/125@100%200@60%/155@100%250@60%/ ...