Miller Dynasty 280 DX AC/DCTIG Stick Welder 208-575 V with CPS 907514

In stock
SKU: 907514
Regular price $9,626.00 USD

Miller Dynasty 280 DX AC/DCTIG Stick Welder 208-575 V with CPS 907514

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.


  • 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 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

Tailored arc control (DIG) allows the arc characteristics 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.

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


Air Carbon Arc Cutting and Gouging (CAC-A)

Stick (SMAW)




Aluminum Welding


Title Dynasty® 280 DX 208-575 V, CPS
Industries Interests Aerospace


Heavy Equipment Manufacturing





Boat / Yacht

High Purity Processing

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)

Weldable Metals Aluminum

Specialty Metals

Stainless Steel


Input Voltage 208 V

220/230/240 V

380/400 V

460/480 V

575 V

Rated Carbon Diameter 3/16 in (4.8 mm)
Input Phase 1- and 3-Phase
Input Hz 50/60 Hz
Current Type AC / DC
Max Open Circuit Voltage 60 VDC
Amperage Min 1 A
Amperage Max 280 A
Portability Handle(s)

Running Gear / Cart (Optional)


Weld Output CC
Net Width 8.6 in
Net Height 13.6 in
Net Length 22.5 in
Net Weight 55 lbs
Warranty 3 Years

Miller's True Blue Warranty

Additional shipping charges to US Territories