The DBZ Series invert DC resistor Spotwelders applies new type power developed by IGBT invert technology,microcomputer control technology and modern electric power and electronic technology.They feature high control precision,good welding processing,energy saving and efficient,and are specially suitable for point welding of copper, aluminum and other non-ferrous metal materials and alloy,as well as high-quality point welding of fine parts Applying micrcomputer control to ensure cinsistent processing.Multiple group welding parameter adjustment and welding cyclic panel indication simplify operation. 3-phase load balance(models above DBZ-400)brings to high power factor. Being energy-saving.The power consumption is only 1/3 of the AC welders. Small-size.Lightweight,suitable for robot applications.