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Kemppi Master S 400


Master S series MMA power sources are designed for high-performance profes­sional welding. They offer a compact, robust and portable MMA power source with optimum energy efficiency. It is a perfect partner for heavy-duty welding work where the ease of use, performance, reliability and durability are paramount. The powerful 400 or 500 amp power source provides great welding results with pleasurable welding experi­ence. Mains and generator powered with wide voltage network tolerance. Integrated Voltage Reduction Device (VRD) increases safety at work. All this and more in a com­pact and lightweight design to make transportation and site management easy.

Key Features

  • Powerful and Portable MMA Power Source
  • Efficient Output at 400/500 A 60% ED
  • Robust Structure for Heavy-Duty Site Use
  • Hot Start and Arc Force Adjustment for Optimised Starts and Arc Control
  • Antifreeze Cuts off the Power and Protects the Electrode If Sticking Occurs During Welding
  • Contact Ignition (Lift TIG) in DC TIG
  • Arc Gouging
  • Parent Power Supply CC/CV for Kemppi Voltage-Sensing Wire Feed Systems and In-Line TIG Solutions
  • Kemppi 3 Year Warranty


Additional information