The N550c Arc Charger™ is the first of a revolutionary new class of stud welding power sources developed around Nelson’s patent pending Arc Charger™ platform. The N550c Arc Charger™ has the capacity to weld the full range of drawn arc studs, up to 3/8” pitch (M8) diameter, with an ultra-smooth high-speed switching welding arc, while requiring power from just a standard household 120V wall outlet! This breakthrough combination enables high-strength drawn arc stud welding in just about any location, without the need for high voltage, industrial 3-phase power, or a large generator. AVAILABLE FOR RENT OR PURCHASE.

N550c Arc Charger Specifications:

  • 120V input voltage
  • 3A to 15A input current, user adjustable
  • 60 Hz input line frequency
  • Welds 6-3/8” pitch studs per minute
  • Welds 15-3/16” studs per minute
  • 3/8” pitch maximum diameter for steel, stainless steel, and aluminum studs
  • 9 ft. (2.75 m) power cord
  • 86 lbs. (39 kg)
  • Standard 120VAC, 3-prong, grounded input power connection
  • 25W maximum idle power
  • Touch pad display with graphical diagnostics
  • Available in Europe


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