... 2.Input current: 19A/35A ZX7 series for mining 250 V/550V DC IGBT Invert DC Welding ... 50%Excellent technique: With thrust regulation function, for all position welding, backing welding, good appearance ... Compact design, small volume, light weight, easy for carrying around.Simple operation: With the current preset ... 580×470×310Weight: 49kg ZX7 series for mining 250V/550V DC IGBT Invert DC Welding Machine