Miller XMT 300 CC/CV DC Inverter Arc Welder 230/460 V 7.8/11.3 kW (TBI-BJ) (039) (JH) (FLOOR). Model: XMT 300 CC/CV. Type: DC Inverter Arc Welder 230/460 V 7.8/11.3 kW. For Parts or Not Working. What does this mean for you? We try to maintain a high feedback score and we are always willing to work with you on any problem. If an item needs to be crated there could be an additional charge.