... Welding Power Source 1.IGBT inverter 2.High reliability 3.excellent welding performance 4.High efficiency Arc Welding Power SourceProduct ... PE52-630 is new version DC manual arc-welding power source with IGBT inverter and soft-switch technology, which its ... metal structures in container (e.g. boiler) manufacturing, power plant, metallurgy, chemical, aviation/aerospace and vehicle making industries ...