Miller Syncrowave® 250 DX 907194

Part Number: 907194

This product has been replaced by the Miller Syncrowave 300 907782.

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Welding type:





Material type:

Mild Steel

Mild Steel

Stainless Steel

Stainless Steel



Power supply:

220V Single Phase

220V Single Phase



  • Multiprocess Welding
  • Multivoltage
  • Single Phase

Miller Syncrowave® 250 DX 200/230/460 V 907194

An industry standard, the Syncrowave® 250DX has proven itself time and time again in the most demanding applications. The Syncrowave® 250DX comes fully equipped with a Syncrowave® 350LX, and two 50mm dinse connectors kit. It is manufactured for TIG, AC/DC TIG, pulsed TIG, and stick processes. Its industrial design and construction ensure reliable use for years to come, and allows you to be more productive at lower operating costs. Welders Supply has the best selection of Miller welding equipment and accessories available for sale online. Shop now for the lowest prices and fast shipping on our entire inventory of welding supplies and accessories. 

Miller Syncrowave® 250 DX Features:

  • Squarewave technology
  • Balance control
  • Syncro Start™
  • Digital welding meters
  • Last procedure recall
  • Adaptive Hot Start™
Looking for more? Check out our entire selection of welding machines!


  • 907195 Miller Syncrowave® 250 DX 230/460/575 V Input Model
  • 951117 Miller Syncrowave 250DX Water-Cooled package
  • 951118 Syncrowave 250DX with Foot Control and Accessories

Miller Syncrowave 250DX #907194 Specifications:

Input Voltage Options 200/230/460 V
Input Hz Range 50 / 60 Hz
Input Phase 1-phase
Current Type AC / DC
Rated Output 250 A at 30 VAC, 40% Duty Cycle, 60 Hz
225 A at 29 VAC, 40% Duty Cycle, 50 Hz
Weld Output CC
Amperage Range 3–310 A
Maximum Open Current Voltage 80 VDC
Material Thickness Steel: 0.012 in. (0.3 mm) - 1/2 in. (12.7 mm)
Aluminum: 0.015 in. (0.4 mm) - 3/8 in. (9.5 mm)
Weldable Metals Aluminum
Stainless Steel
Processes Stick (SMAW)
Pulsed TIG (GTAW-P, optional)
Air Carbon Arc (CAC-A)
Light Industrial Applications Precision Metal Fabrication
Maintenance and Repair
Tube and Pipe
Racing / Customizing / Restoring
DIY / Home Hobbyist
Farm and Ranch
Metal Art / Sculptures
Boat / Yacht
High Purity Processing
Net Width 22.5 in. (572 mm)
Net Height 33.25 in. (845 mm)
Net Length 25 in. (635 mm)
Net Weight 378 lb. (172 kg)
Portability Lift Eye (Standard)
Running Gear / Cart (Standard)
Warranty 3 years - Miller's True Blue Warranty

Product Questions and Answers

Q - What is the output rating? A - 250 A at 30 VAC, 40% duty cycle; 200 A at 28 VAC, 60% duty cycle.
Q - 1-phase or 3-phase? A - This requires 1-phase power.

How to control Output Selector Switch:

  1. Turn welder off.

    Find the power button and switch the welder off.

  2. Locate switch.

    Locate the output selector switch on the back middle panel.

  3. Choose desired setting.

    Pick correct setting DCEN, AC, DCEP.

Have a question about this product? Submit your question using the form below

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