Dynasty® 280 TIG Welders | Miller - MillerWelds

Dynasty® 280 DX 208-575 V, CPS

The Dynasty 280 Series is a powerful combination of capability and portability. Weighing only 52 pounds, it can weld up to 3/8" thick material. The AC/DC TIG/Stick power sources feature an energy-efficient inverter design and Auto-Line™ technology.
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What's Included

  • Dynasty® 280 DX
  • 8 ft. (2.4 m) primary cord
  • Adjustable shoulder strap
  • Quick Reference Guide
  • (2) 50 mm Dinse style connectors
Base and Deluxe Models Available
Dynasty 280 - Base model provides essential TIG and Stick functions and provides operator-friendly, menu-driven features.   Dynasty 280 DX - The DX model offers full AC features, including advanced waveforms and wide ranges of balance and frequency.
Portable with adjustable shoulder strap
Weighing in at just 52 pounds, the Dynasty 280 is extremely portable and easy to transport featuring dual carry handles and a carrying strap.
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.
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. Available on select models.
Auto-Line Power Management Technology
Allows hookup to either single-phase or three-phase electrical input from 208-575 V with no manual linking, providing convenience in any job setting. An ideal solution for dirty or unreliable input power.
Pro-Set Feature (professional settings)
This feature 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.
Stick Features (AC/DC)
Tailored arc control (DIG) allows the arc characteristic to be changed for specific applications and electrodes. Smooth running 7018 or stiffer, more penetrating 6010.   Hot Start™ adaptive control provides positive arc starts without sticking.   Stick-Stuck detects if the electrode is stuck to the part and turns the welding output off to safely and easily remove the electrode. Menu selectable.
Weldcraft™ W-280 (WP-280) TIG Torch
Two-piece torch head and exclusive Super Cool™ Technology provides additional surface area to increase cooling efficiency and capacity   Torch body includes an anti-rotation featureand multi-position locking to prevent handlemovement during welding and improve operator control   Mechanical fittings provide a secure gas andwater connection to prevent leakage and alloweasy hose replacement

Not Included

  • TIG torch adapter



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

General Specifications

Title Dynasty® 280 DX 208-575 V, CPS
Industries Interests Aerospace
Heavy Equipment Manufacturing
Boat / Yacht
High Purity Processing
Current Type AC / DC
Input Hz 50 / 60 Hz
Input Phase 1- and 3-Phase
Portability Handle(s)
Running Gear / Cart (Optional)
Shoulder Strap
Net Height 13.6 in
Net Length 22.5 in
Input Voltage 208 V
220/230/240 V
380/400 V
460/480 V
575 V
Max Open Circuit Voltage 60 VDC
Net Weight 55 lbs
Weldable Metals Aluminum
Specialty Metals
Mild Steel
Stainless Steel
Net Width 8.6 in
Warranty Miller's True Blue Warranty
Amperage Min 1 A
Amperage Max 280 A
Material Thickness Steel: 0.004 in. (0.1 mm) - 3/8 in. (9.5 mm)
Aluminum: 0.012 in. (0.3 mm) - 3/8 in. (9.5 mm)