... , Moving coil type transformer, suitable 380V/220V AC supply. Compact, light, east to carry. ac Welding Machine BX1-180C 2. Compact, light, easy to ... busywork 1. Moving coil type transformer;suitable for 380V/220V AC supply. 2. Compact, light, easy to carry, and suitable for ... -cooling unit, and high efficiency and safety. 4. Suitable for welding low carbon steel. Low alloy steel, etc.