Manufacturing industrial: Steel building erection Pipe welding Maintenance and repair ship building/construction Vocational training Processes: SMAW(stick) Input power: 3-phase 380V 50/60HZ Dimensions: 510×365×370mm 250-300:510×200×370mm Material ThicknessElectrode sizeCurrent rangeweightModelMild steel,stainless steel,alloy steel1.0-8.0mm1.6-4.0mm20-250A17.5KgsZX7-2501.0-12.0mm1.6-5.0mm20-300A17.5KgsZX7-3001.0-12.0mm1.6-5.0mm20-315A25.8KgsZX7-3151.0-16.0mm1.6-5.0mm20-400A26KgsZX7-4001.0-20.0mm1.6-6.0mm20-500A27.2KgsZX7-500 Accessories: Power source with cord Electrode holder Earth cable and clamp Protective mask Brush/Hammer Carton box