Generator high frequency for induction Emedi, model 50Kw STE, for welding of a wide range of tubes of aluminum, steel stainless ferritic and austenitic, of copper and brass, power 50 kw, thick of blade acceptable 0. 15-0. 50 mm, tension electrical 400V III 50 Hz, head of welding with arm adjustable, heat exchanger of water, table of maneuvers with display digital