... BX3-315-2, BX3-400-2, BX3-500-2, BX3-630-2 moving coil AC welding machineCharacteristics & Applications: Manual operated, single ... , good durability, etc. ModelBX3-315-2BX3-400-2BX3-500-2BX3-630-2Power Voltage, Frequency380V, 50HZRated output current (A)315A400A500A630ARated load voltage ... 5-8mm2.5-8mmWeight160KG170KG180KG190KGOverall dimension (MM)690*460*850mm BX3-630-2 moving coil AC welding machine