Processes
MIG (GMAW), Flux-cored (FCAW)
Miller MIG Machine Support
Millermatic 252
Industrial MIG and flux-cored all-in-one machine with MDX-250 gun, factory running gear, gas solenoid, and spool gun support.
MIG (GMAW)Flux-cored (FCAW)
Industrial
Welding range
30 - 300 A
Input power
208/240 V or 230/460/575 V configurations
Wire feed speed
50 - 700 ipm (1.3 - 17.8 m/min.)
Weight
205 lb. (93 kg)
Class
Industrial
Machine Packages
| Stock number | Catalog package |
|---|---|
| 907321 | 208/240 V |
| 951960 | 208/240 V package |
| 907322 | 230/460/575 V |
| 951961 | 230/460/575 V package |
Compatible Accessories
Dual EZ-Change Low Cylinder Rack
300337 Most popular accessory listed for this machine.
Support page pendingProtective Cover
195142 Most popular accessory listed for this machine.
Support page pendingCompatible Guns / Torches
MDX-250 MIG Gun
Included 250-amp gun and consumable path.
Open support pageSpoolmate 200 Spool Gun
Catalog-listed popular accessory.
Open support pageSpoolmatic Spool Gun
Catalog-listed recommended aluminum solution.
Open support pageMiller Catalog Accessories
These accessories are placed here only when the Miller catalog names this machine, torch, feeder, or family path. Verify plug style, voltage, package, and serial-specific details before ordering.
| Part | Accessory | Catalog fitment | Source / path |
|---|---|---|---|
| 300335 | Elevated Gun and Cable Rack | For Millermatic 252 factory-installed single-cylinder rack path. | Catalog p. 121 Open support path |
Full machine details
Welding Output
- 200 A at 24 VDC, 60% duty cycle
- 250 A at 26.5 VDC, 40% duty cycle
Wire Capacity
- Solid/stainless: .023 - .045 in. (0.6 - 1.2 mm)
- Flux-cored: .030 - .045 in. (0.8 - 1.2 mm)
Material Capacity
- Mild steel: 22 ga. (0.8 mm) to 1/2 in. (13 mm)
- Aluminum: 14 ga. (1.9 mm) to 3/8 in. (9.5 mm)
Included With This Machine
- 15 ft. (4.6 m) 250-amp MDX-250 MIG gun with MDX consumables
- 10 ft. (3 m) work cable with clamp
- 10 ft. (3 m) industrial power cord
- Factory-installed lowered running gear/cylinder rack with chain
- Factory-installed gas solenoid
- .030/.035 in. reversible dual-groove drive rolls
- Flow gauge regulator and gas hose for argon or Ar/CO2 mix and extra contact tips
Dimensions
H: 30 in. (762 mm), W: 19 in. (483 mm), D: 40 in. (1016 mm)
Source: Miller Electric 2026 Full-line Catalog, catalog page 6, literature DC/12.49. Product relationships on this page are kept separate from Amazon monetization data. Amazon buy buttons appear only after the product match, manufacturer, package quantity, and compatibility are verified.