The Omega range is quite flexible: Three optional power sources and three control panels: Basic, Classic and Synergic. The Omega is available as a C version (compact) or a versatile S version (separate wire feed unit) with a turnable and detachable wire feed unit and replaceable interconnecting cables. The Omega 400 and Omega 550 are available with water cooling. The IGC® (Intelligent Gas Control) is an optional feature in all models, ensuring large-scale gas savings and optimal gas shielding in all current ranges.