The MagicWave 4000 fronius welder is a fully digitally controlled TIG AC/DC power source with ActiveWave technology, and is characterised by the softest possible yet highly stable arck. It has an output of 400 A, is both light and robust and self-explanatory in operationk. The power source can be used in many different fields: chemical, container, machine and plant construction, pipeline construction, automotive and tracked vehicle manufacturing, aerospace industry and shipbuilding, as well as by all types of installation, maintenance and repair companiesk.