The Lincoln subarc welder DC-1000 Description: The Idealarc DC-1000 welder for submerged arc applications offers multi-process flexibility for semiautomatic and automatic welding; 500 amp output connections; Single range control - for precise output control and easy operation; Terminal strip and output studs - for remote connections and cable; Low profile case - allows installation under a workbench and for stacking up to 2 machines to conserve floor space.