... in arc cutting or butti BX3-315-2, BX3-400-2, BX3-500-2, BX3-630-2 moving coil AC welding machineCharacteristics & Applications ... , convenient using, good durability, etc. ModelBX3-315-2BX3-400-2BX3-500-2BX3-630-2Power Voltage, Frequency380V, 50HZRated output ... -76V70-76V70-78V70-78VInsulation ClassFWelding Electrode diameter (MM)2-6mm2.5-7mm2.5-8mm2.5-8mmWeight160KG170KG180KG190KGOverall dimension (MM ...