The AFRA MMA400 IGBT Inverter Welder – AFT‑0400WMRD is a 400A three-phase welding machine engineered for industrial-grade tasks. It combines robust IGBT inverter technology with advanced welding features to deliver smooth arc performance, consistent power output, and increased efficiency — even under tough conditions. Whether you’re fabricating heavy structures, performing site maintenance, or working in production environments, the AFT-0400WMRD is built to deliver top-tier results across materials.With intuitive controls, fast arc ignition, and reliable arc characteristics, the MMA400 offers unmatched performance and dependability for experienced welders and job sites that demand high-output machines.