... , high efficiency, low heat, long used double use: welder and generator competitive price ApplicationsType 250D/300D Bi-Purpose electric machine meets ... .2mm to Φ6mm; while used as an A.C. synchronous generator, its output is 1.5KW (maximum output 2KW for 10 ... minutes), with rated voltage 220V, single phase, 50Hz frequency, suitable for lighting, electric fan, other domestic uses and ...