... , high efficiency, low heat, long used double use: welder and generator competitive price ApplicationsType 250D/300D Bi-Purpose electric machine meets ... . D.C. are welder and A.C. synchronous single phase generator. As a D.C. arc welder, it can be available ... . synchronous generator, its output is 1.5KW (maximum output 2KW for 10 minutes), with rated voltage 220V, single phase, 50Hz frequency, suitable ...