400A IGBT based Inverter Welding Machine is specially designed to operate at tough site conditions. The Inverter Welding Machine maintains 16VDC to provide enhanced operator safety in MMAW and specially designed for MMA welding with long lead. The Inverter Welding Machine can withstand wider input voltage fluctuations and is adequately protected against continuous operation on DG power. 400A IGBT based Inverter Welding Machine is used for construction sites, railways and shipyards.