IGBT Controlled Portable DC Arc Welding Machine is suitable for indoor and outdoor applications and has the feature of less power consumption. The Machine can work between 180vac and 260 vac at both 50 HZ and 60 HZ mains electricity, has secondary short circuit protection for protecting machine during short circuit / mishandling, force air cooling and is thermally protected against overloading of machine. The Machine has the feature that TIG welding possible with scratch start and welding cables can extend up to 25 meters. The IGBT Controlled Portable DC Arc Welding Machine is heavy duty type.