... )350x220x260Main Features of MMA-601.Adopt with advanced MOS/IGBT inverter technology, save energy, protect the environment, light and compact, portable ... , accord with EMC standard.2.Current can be adjusted stepless, high efficiency.3.Fan-cooled, automatic protection of over-voltage and ... material. 7.With complete accessories. 8.Carton box/BMC. dc inverter mma welder