... 2mm electrode ZX7-200T Inverter DC arc welder` Adopting advanced inverter technique and excellent imported capacity equipment, high working efficiency,small ... ferrite material are used in high frequency transformer ,which is small wastage , high conversion rate, high efficiency and energy-saving` Simple ... Voltage(V)Single phase AC220V±15%AC220V/380V±15%Frequency (HZ)50/6050/6050/6050/6050/6050/60Rated ...