The Miller Electric XMT® 400 is a DC multiprocess welder with CC/CV operation, a 15-425A output range, and compatibility with 208-575V single- or three-phase input. It supports MIG, TIG, stick, flux-cored welding, Accu-Pulse, Versa-Pulse, RMD, and air carbon arc cutting and gouging, with a rated carbon diameter of 5/16 in. Auto-Line technology, EZ-Set controls, Auto Remote Sense, Wind Tunnel Technology, and Fan-On-Demand support setup and operation across fabrication, construction, pipe, and heavy-equipment applications. It is backed by Miller's three-year True Blue warranty.