Miller Electric

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Dynasty® 200 SD and DX TIG Welders

Maximum flexibility - Miller Electric combines advanced inverter technology with Auto-Line™ technology, offering the most flexible AC/DC TIG/Stick power supply in the welding industry.

Dynasty 200 SD
  • Dynasty 200 SD

Two Models Available

Dynasty 200 SD - Provides the basic features that are required for most AC/DC TIG or Stick welding applications.
Dynasty 200 DX* - The DX offers pulse on/off, pulse frequency, peak % time, background amperage, initial amperage, initial slope time, final slope time and final amperage control.

*See Models & Pricing tab for available packages

Wireless Remote Control Compatible

Improve productivity, eliminate clutter and cord tangles in the work area. Eliminate cord failure and associated downtime/repair costs and extend the operator's welding range without adding cord extensions.  Learn more >>


Lift-Arc™ starting provides x-ray clean welds in AC or DC arc starting without the use of high frequency.

AC Waveforms

AC Waveforms
Advance Squarewave provides a fast freezing puddle, deep penetration, and fast travel speeds.
Soft Squarewave is used for a soft buttery arc with maximum puddle control and good wetting action.
Sine wave is for customers that like a traditional arc. It is quiet with good wetting.
Triangular wave reduces the heat input and is good on thin aluminum. It provides fast travel speeds.

Blue Lightning™ - High Frequency Arc Starter 

For TIG non-contact arc initiation. Provides more consistent arc starts and greater reliability compared to traditional HF arc starters. Easy to set up and increases productivity.

Auto-Line Power Management Technology

Auto-Line Power Management Technology
Allows for any input voltage hookup (115-460 V) with no manual linking, providing convenience in any job setting. Ideal solution for dirty or unreliable power.

AC and DC TIG Features

Extended AC balance (30-99%) controls the amount of oxide cleaning (amperage time in EN) which is essential for high quality welds on aluminum.
AC frequency (20-250 hz) controls the width of the arc cone and the force of the arc.
DC TIG provides exceptionally smooth and precise arc for welding exotic materials.

Stick Features (AC/DC)

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.
AC frequency control adds additional stability when Stick welding in AC for smoother welds.
Low OCV Stick is a simple design that reduces open-circuit voltage to 5-10 VDC when power source is not in use. This built-in circuit design eliminates the need for add-on voltage reducers.


Stock #

XMT® 350 VS ArcReach™ 907224002

XMT® 450 VS ArcReach™ 907481002

SuitCase® X-TREME™ 8VS ArcReach™ with Bernard® S-Gun™ 951588

SuitCase® X-TREME™ 8VS ArcReach™ with Bernard® Q300 Gun 951584

SuitCase® X-TREME™ 12VS ArcReach™ with Bernard® S-Gun™ 951589

SuitCase® X-TREME™ 12VS ArcReach™ with Bernard® Q300 Gun 951581

Product Literature
Spec Sheet - English
Spec Sheet - Spanish
User Guide
Quick Reference Sheet - English
Quick Reference Sheet - Spanish
Quick Reference Sheet - French
ProcessesTIG (GTAW) DC 
Pulsed TIG (GTAW-P) AC - Not available on SD model 
Pulsed TIG (GTAW-P) DC - Not available on SD model 
Stick (SMAW) DC 
Stick (SMAW) AC 
Air Carbon Arc Cutting and Gouging (CAC-A) 
Material Type
Max 1/4 in (6.4 mm)
Min 0.004 in (0.1 mm)
Max 1/4 in (6.4 mm)
Min 0.020 in (0.5 mm)
General specificationsInput Power
Requires 3- or 1-Phase Power
Rated Output
150 A at 16 V, 60% Duty Cycle (1 or 3-Phase)
140 A at 15.6 V, 40% Duty Cycle (115 VAC)
100 A at 14 V, 100% Duty Cycle (115 VAC)
130 A at 25.2 V, 60% Duty Cycle (1 or 3-Phase)
100 A at 24 V, 60% Duty Cycle (115 VAC)
90 A at 23.6 V, 100% Duty Cycle (115 VAC)
Welding Amperage Range
1-200 Amps (1-150 on 120 VAC)
Net Weight45 lb (20.5 kg)
Mechanical Contracting 

Powerline Financing