... vessel manufacture, medical equipment, steel structure industry. This machine is high quality and high work efficiency,easy to operate ,simple structure, the ... small total harmonic distortion,suitable for sheet metal welding.NameSpot Welding MachineTypeDN-10DN-16DN-25/35 Rated Input Capacity( ... Burden rate(%)20%20%20%60%60%60%rated welding current 0.5MPa0.5MPa0.5MPavoltage regulation series0-9.90 ...