Nebula 500D is a perfect welding machine. The fully digital and microprocessor controlled MIG/MAG power supply is used for short circuit, spray and pulse arc, which can be the best welding performance in all aspects, and the results are repeated again and again. In the 500 A's output, the nebula 500D meets the highest requirements of automotive and component supply industries, equipment construction, chemical plant construction, machinery and caterpillar vehicle manufacturing, and shipyards. Multi-process power supply is suitable for MIG/MAG, PULS MIG, dual pulse MIG, TIG, pulse TIG, electrode welding, and manual or robot application.