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  • Heavy industrial products are suited to high-volume production and/or welding of thicker materials. They typically have a duty cycle of 60 to 100% and a rated output of at least 300 amps. Heavy industrial products are designed with the arc characteristics and product features professional welders demand for code-quality work.
  • DC: Unit supplies direct current weld output.
  • CC: Unit supplies constant-current weld output.
  • 3 phase: Unit requires three-phase input power.
  • 1 phase: Unit requires single-phase input power.
  • Auto-Line allows for any input voltage hookup (208–575 V) with no manual linking, providing convenience in any job setting.
  • Ideal solution for dirty or unreliable power.
  • Meter calibration allows digital meters to be calibrated for certification
  • Cooler Power Supply (CPS) is an integrated 120-volt dedicated-use receptacle for the Coolmate™ 3.5.
  • Cooler-On-Demand™ feature operates the auxiliary cooling system only when needed, reducing noise, energy use, and airborne contaminants pulled through the cooler.
  • Wind Tunnel Technology™ protects internal electrical components from airborne contaminants, extending the product life.
  • Fan-On-Demand power source cooling system operates only when needed, reducing noise, energy use and the amount of contaminants pulled though the machine.
  • Program memory features nine independent program memories that maintain/save your parameters.
  • Auto-postflow adjusts the length of postflow time based on the amperage setting, shielding your tungsten and eliminating the need to set the postflow time.
  • Lift-Arc™ provides DC arc initiation without the use of high frequency
  • Blue Lightning™ high-frequency (HF) arc starter for non-contact arc initiation. Provides more consistent arc starts and greater reliability compared to traditional HF arc starters.
  • Processes: TIG (GTAW), Pulsed TIG (GTAW-P), Stick (SMAW), Air carbon arc (CAC-A) (1/4 in maximum).
  • Comes Complete with: 8 ft. power cord (no plug) and (2) 50 mm Dinse-style connectors.
  • Complete Packages Come with: 8 ft. power cord (no plug), Runner™ cart, Coolmate™ 3.5, 4 gallons of coolant, W-375 torch kit, and Remote control (foot or wireless foot).

  • Product details

Part Number
Manufacturer Part Number
1-phase Amps Input at Rated Output, 50/60 Hz
208 V=48¸ 230 V=43¸ 400 V=24¸ 460 V=20¸ 575 V=16¸ KVA=10¸ KW=9.2
1-Phase Rated Output
200 A at 28 V¸ 100% duty cycle
1-Phase Welding Amp Range
3–400 A
3-phase Amps Input at Rated Output, 50/60 Hz
208 V=27¸ 230 V=24¸ 400 V=14¸ 460 V=12¸ 575 V=9¸ KVA=9.4¸ KW=9.1
3-phase Rated Output
250 A at 30 V¸ 100% duty cycle
3-phase Welding Amp Range
3–400 A
Dimensions (Imperial)
24.75 in (H) x 13.75 in (W) x 22 in (D)
Dimensions (Metric)
629 mm (H) x 349 mm (W) x 559 mm (D)
Maximum Open-Circuit Voltage
75 VDC(10–15 VDC*) - *Indicates sense-voltage for Lift-Arc™ TIG and Low OCV stick.
Net Weight
134 lb (61 kg)
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