... and high speed.4.compare with traditional cutting machine,high arcing success rate,high arc voltage,concentrated energy,strong cutting capacity,high cutting speed, narrow cutting gap,smooth cutting ... adjustment range(A)15-3015-4020-6020-10020-120Duty cycle(%)6060606060Rated output current (A)304060100120Insulation classFFFFFMax cutting thickness(mm)89192830Protection classIP21IP21IP21IP21IP21Weight ...