... 2, BX3-500-2, BX3-630-2 moving coil AC welding machineCharacteristics & Applications: Manual operated, single, one phase moving coil AC ... industry.The transformer in this machine is compact structure, stable arc, low noise, small vibration, high efficiency, wide current adjustment range ... -8mm2.5-8mmWeight160KG170KG180KG190KGOverall dimension (MM)690*460*850mm BX3-630-2 moving coil AC welding machine