... 3,High duty cycle, High working effciency 4, Excellent welding performance *Stable current, easy wire feeding, beautiful seam. ... : 85% Insulation Class: F Protection Degree:IP23 Welding Thickness:0.5-12mm Dimension:580x334x480MM Weight:32KGS Arc ... Post-welding gas blow time:2-10S Remote system interface: No welding thickness: (AC) 3mmOEM, ODM is also supplied. Inverter AC/DC TIG 200 welding machine