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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® Dynasty® 280 DX Auto-Line™ TIG Welder, 208/230/400/460/575 Volt With Dynasty® 280 DX Power Source With CPS, 8' Primary Power Cord, (2) Dinse 50 mm Connectors And Adjustable Shoulder Strap

Airgas Part #:MIL907514

Miller Electric Manufacturing

Manufacturer #:907514

$7,334.00 /Each
Package Size: 1 Each
$7,334.00 Each
$7,334.00 Each

Typically in Stock

Item Details

  • Miller® Dynasty® 280 DX Welder Machine with CPS is ideal for industrial applications, precision fabrication, heavy fabrication, aerospace along with pipe and tube fabrication. Easy-to-use welder uses auto-line power management technology to allow any input voltage hookup from 208 - 575 VAC with no manual linking, offering convenience in any job setting. Welder has front panel memory card data port to easily upgrade software and expand the product features. Welder has Pro-Set™ feature that lets you control the speed, convenience and confidence of pre-set controls. It features Blue Lightning™ high-frequency arc starter that offers more consistent arc starts for non-contact arc initiation. Welder ideal for AC/DC TIG welding, AC/DC pulsed TIG welding and DC stick welding offers thermal overload protection. It incorporates Wind Tunnel™ technology protects internal electrical components from airborne contaminates for durability. Welder has programmable sleeper timer feature to save electricity.


  • Upgradeable and expandable
  • Front panel memory card data port provides the ability to easily upgrade software and expand product features
  • Visit MillerWelds.com/TIGSoftware for the latest software upgrades and expansions
  • Pro-Set™ feature (professional settings) eliminates the guesswork when setting weld parameters, use Pro-Set when you want the speed, convenience and confidence of pre-set controls
  • Simply select the feature and adjust until Pro-Set appears on the display
  • The Pro-Set feature is available for Balance, Frequency, Pulse, and DIG parameters
  • Sleep timer conserves electricity
  • This programmable feature will power down the machine if it sits idle for a specific time
  • Cooler Power Supply (CPS) An integrated 120-volt dedicated-use receptacle to power the Coolmate™ 1.3 the power switch on the Dynasty 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 easy to set and increases productivity


Input Power: 208/230/400/460/575 Volts; 1 or 3 Phase; 50/60 Hz; Rated Output - TIG: 235 Amps At 19.4 Volt At 60%, Stick: 200 Amps At 28 Volt At 60% Duty Cycle, 180 Amps At 27.2 Volt At 60% Duty Cycle, Output Range: TIG: 1 - 280 A (DC), 2 - 280 A (AC), Stick: 5 - 280 A; Dimensions (H X W X D): 13.6" X 8.6" X 22.5"; Net Weight: 55 lbs


  • Dynasty 280 DX power source with CPS
  • Quick Reference Guide (English)
  • Adjustable shoulder strap
  • 8' primary cord
  • (2) Dinse 50-mm connectors


  • Precision fabrication
  • Heavy fabrication
  • Pipe and tube fabrication
  • Aerospace
  • Aluminum ship repair
  • Anodized aluminum fabrication

Product Attributes

Trade Name

» Dynasty® 280 DX Auto-Line™

Input AC Voltage

» 208V
» 230V
» 400V
» 460V
» 575V


» Air Carbon Arc (CAC-A) Cutting and Gouging
» Pulsed TIG (GTAW-P)
» Stick (SMAW)

Output Current

» AC/DC - CC

Output DC Amps (Max)

» 280

Output AC Amps (Max)

» 280


» 1 or 3 Phase


» 50/60 Hz


» 55 lb

Physical Size

» 13.6" X 8.6" X 22.5"

Duty Cycle

» 235 Amps At 19.4 Volt At 60%