... , beautiful weldingseam,energy saving. CT 520 DC Inverter MMA/TG/CUT welder DC machine description:1.Advanced ... inverter technology,small size and light weight, easy ... :7.8 in/min,conventional cut:3/4",conventional cut:3.9 in/min9.MOSFET Technology and Brand ... frequency (Hz)50/60Rate input power capacity (KW) 3.5NO-load Power(W) 40Duty cycle(%) 60Power factor ...