... welding cutter1.optimized design layout,high frequency inverter,high duty cycle,low energy consumption.2.compact in volume,lighter in ... gap,smooth cutting surface and small distrotion etc.5.digital electric current display,exact and adjustable.6.over heat ... adjustment range(A)15-3015-4020-6020-10020-120Duty cycle(%)6060606060Rated output current (A)304060100120Insulation classFFFFFMax cutting thickness( ...