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WARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Miller® Maxstar® 280 Auto-Line™ TIG Welder, 208 - 575 Volt With 8' Primary Cord, Cooler Power Supply, (2) 50 mm Dinse Connectors And Adjustable Shoulder Strap

Airgas Part #:MIL907538

Miller Electric Manufacturing

Manufacturer #:907538

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$4,958.00 /Each
Package Size: 1 Each
$4,958.00 Each
$4,958.00 Each

Typically in Stock

Item Details

  • Miller® Maxstar® 280 Series Auto-Line™ TIG/Stick Welding Machine Power Source with CPS measures 8.6" X 22 1/2" X 13.6" and has a voltage rating of 208 - 575 VAC at 50/60 Hz. Welder is provided with an integrated 120-volt dedicated-use receptacle to power the Coolmate™ 1.3. Welder comes with 8' primary cord and has memory card data port on the front panel that provides easy up gradation of software. Power source with Pro-Set™ eliminates the guesswork when setting weld parameters. It features sleep timer that conserves electricity and puts power down while the machine is idle for a specific time. Power source has a lower bottom end and can weld 0.004 - 3/8" steel efficiently. It has a duty cycle of 60% duty cycle at 235 A. Power source is featured with blue lightning arc starting that is tailored for each tungsten size to offer perfect starts. It provides precise adjustments with all-digital controls for greater quality control and repeatability. Power source has pulser that is full featured with Pro-Set™ and provides 0.01 - 500 PPS high speed pulse for better arc control and faster travel speeds. It is provided with meter calibration that allows digital meters to be calibrated for certification. Power source features Wind Tunnel Technology™ to offer protection to the internal electrical components from airborne contaminations. It finds application in precision fabrication, petro chemical, diary, food/beverage industry, aerospace, shipboard and more. Power source meets CSA standards.


  • Upgradeable and expandable Front panel memory card data port provides the ability to easily upgrade software and expand product features
  • Pro-Set™ eliminates the guesswork when setting weld parameters
  • Use Pro-Set when you want the speed, convenience and confidence of preset controls
  • Simply select the feature and adjust until Pro-Set appears on the display
  • Sleep timer conserves electricity
  • This programmable feature will power down the machine if it sits idle for a specific time Allows for any input voltage hookup with no manual linking, providing convenience in any job setting
  • Ideal solution for dirty or unreliable power
  • An integrated 120-volt dedicated-use receptacle to power the Coolmate™ 1.3
  • The power switch on the Maxstar also activates the receptacle to help prevent torch failure
  • Blue Lightning™ high-frequency arc starter for non-contact arc initiation
  • Provides more consistent arc starts and greater reliability compared to traditional HF arc starters
  • Meter calibration allows digital meters to be calibrated for certification
  • Wind Tunnel Technology™ protects internal electrical components from airborne contaminates, 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


  • Input Power: 208 - 575 Volts; 1 or 3 Phase; 50/60 Hz
  • Rated Output: TIG (GTAW) 3 Phase: 235 Amps at 19.4 Volts, 60% Duty Cycle, 1 Phase: 235 Amps at 19.4 Volts, 60% Duty Cycle, Stick (SMAW) 3 Phase 200 Amps at 28 Volts, 60% Duty Cycle, Stick (SMAW) 1 Phase : 180 Amps at 27.2 Volts, 60% Duty Cycle
  • Output Range: 1 - 280 Amps
  • Dimensions (H X W X D): 13.6" X 8.6" X 22 1/2"
  • Net Weight: 50 lbs


  • Cooler Power Supply
  • 8' Primary Cord
  • (2) 50 mm Dinse Connectors
  • Adjustable Shoulder Strap


  • Aerospace
  • Dairy
  • Food/Beverage Industry
  • Petro Chemical
  • Precision Fabrication
  • Shipboard

Product Attributes

Trade Name

» Auto-Line™ » Maxstar® 280

Input AC Voltage

» 208 - 575V


» Air Carbon Arc (CAC-A) » DC TIG (GTAW) » Pulsed TIG (GTAW-P) » Stick (SMAW)

Output DC Amps (Max)

» 280


» 1 or 3 Phase


» 50/60 Hz


» 50 lb