1.IGBT 2.CUTTING MACHINE 3.inverter technology 4.triphase cutting machine 5.cutting various metals CUTTING MACHINE LGK-40LGK-60LGK-100 IGBTRated input voltageSingle ... smooth, little distortion, quick cutting speed.It is small and light, easy move. With high load duration factor, it ... can save energy and electricity.With inner stalling protective circuit of over-current, over- ...