Mini MMA-250 Handheld Electric Welder 20-250A Inverter ARC Welding Machine 220V. Model: MINI MMA-250 Voltage: AC 220V ± 15% Rated power: 3.8KW Frequency: 50Hz / 60Hz Current adjustable: 20-250A Useable electrode diameter: 1.6-3.2mm Can be long-term welding electrode diameter: 3.2mm. Suitable material: stainless steel / carbon steel / low alloy steel. Recommended welding plate thickness: 2 – 8mm Quick copper connector: yes Digital screen: Yes Overload protection: yes Power indicator: Yes Applicable electrode model: ordinary J422, DC J506/J507, stainless steel A102, pig iron Z208 Power line diameter: 2.5mm² Machine size: 226 95 126mm Weight: 2kg. 1 x Handheld Mini Electric Welder Took Kit.