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West Country Welding Supplies

Tig Welder - Miller Dynasty 700 DX - West Country Welding Supplies, UK - West Country Welding Supplies, UK

Tig Welder - Miller Dynasty 700 DX

Miller True Blue Warranty Logo


All Miller machines come with Miller True Blue three year warranty.

Miller Dynasty 700 DXThe ultimate precision AC/DC welding machine with total AC arc shaping capabilities for the ultimate in control!

Main Features

  • Advanced AC Squarewave arc with AC waveshaping controls.
  • AC Balance Control range of 30–99% EN allows precise cleaning control and prolonged tungsten life.
  • AC Frequency Control range of 20–400 Hz provides control for a focused arc, resulting in better directional control to help produce desired arc/weld bead characteristics.
  • Independent AC Amperage Control allows the EP and EN amperages to be set independently.
  • Average AC Amperage Control adjusts the calculated average amperage, maintaining the established EN to EP amperage ratio, along with the established AC Balance and Frequency.
  • Auto-Line™ - Allows for any input voltage hook-up (208–575 V, 1- or 3-phase) with no manual linking, providing convenience in any job setting.
  • Thread Lock Patented thread lock cable connectors and torch adapter are designed for high-amperage applications and feature1/4-turn locking threads.
  • Adjustable HF arc starting parameters - start amperage (amps), start time and start polarity (EP/EN). Optimize the arc start based on tungsten electrode diameter, material thickness and shielding gas.
  • Program memory features 4 independent memory levels per process (AC/DC TIG and AC/DC Stick) with last procedure recall to maintain established parameters in each memory.
  • Inverter-based, power source has state-of-the-art operator interface allowing the user maximum set-up capabilities. Features more precise control of output paramters than traditional knobs and switches.
  • Optional Automation interface kit has 28-pin interface to provide key automation controls and functions for plug and play system integration.
  • Fan-On-Demand™ cooling system only operates when needed.
  • HF arc starting provides non-contact arc starting that eliminates tungsten or material contamination.
  • Lift-Arc™ start provides TIG arc starting without the use of high frequency.
  • Low OCV Stick™ reduces open-circuit voltage to 10-15 VDC when power not in use.
  • Superior arc performance even on difficult to run electrodes like E6010.
  • Optional TIGRunner® Packages.


  • TIG (GTAW)
  • Pulsed TIG (GTAW-P)
  • Stick (SMAW)


  • Industrial Applications
  • Precision Metal Fabrication
  • Heavy Manufacturing
  • Maintenance and Repair
  • Pipe and Tube Manufacturing
  • Aerospace
  • Tool and Die
  • TIG Automation


Input Power

  • Requires 3- or 1-Phase Power

Rated Output

  • 500 A at 40 V, 100% Duty Cycle (3-Phase)
  • 450 A at 38 V, 60% Duty Cycle (1-Phase)

Output Power Range

  • 5-700 A

Auto-Line Range

  • 208–575 V (±10%), 1- or 3-Phase

Net Weight

  • 198 lb (90 kg)

Contact us for more details or to discuss any of your welding needs

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