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Miller MIG Machine Support

Millermatic 252

Industrial MIG and flux-cored all-in-one machine with 250 A output, included MDX-250 gun, factory running gear, direct spool gun support, and XR push-pull aluminum gun paths.

MIG (GMAW)Flux-cored (FCAW) Industrial
Millermatic 252

Processes

MIG (GMAW), Flux-cored (FCAW)

Welding range

30 - 300 A

Input power

208/240 V, single-phase, 60 Hz or 230/460/575 V, single-phase, 60 Hz

Wire feed speed

50 - 700 ipm (1.3 - 17.8 m/min.)

Weight

205 lb. (93 kg)

Class

Industrial

Feature Highlights

Highest Output In Its Class

Rated 250 A at 26.5 VDC with a 40 percent duty cycle for heavier industrial MIG and flux-cored jobs.

Digital Meters And Infinite Voltage

Self-calibrating digital meters allow voltage and wire feed speed presetting before welding.

Integrated Timers

Presettable preflow, postflow, burnback, spot, and stitch-delay timers are available independently for MIG and spool gun use.

Auto-Gun Detect

The machine recalls voltage, wire feed speed, and timer settings when the operator triggers the MIG gun, spool gun, or Miller push-pull gun.

Direct Aluminum Gun Support

Spoolmate 200, Spoolmatic 15A/30A, and XR push-pull guns connect directly without an extra module.

EZ-Access Consumables

Flip-down compartment stores consumables and the parameter chart on the front of the machine.

Machine Packages

Stock numberCatalog package
907321 208/240 V, 60 Hz
951960 208/240 V, 60 Hz package with Spoolmatic 30A, dual cylinder rack, elevated gun and cable rack, and second regulator for spool gun
907322 230/460/575 V, 60 Hz
951961 230/460/575 V, 60 Hz package with Spoolmatic 30A, dual cylinder rack, elevated gun and cable rack, and second regulator for spool gun

Compatible Accessories

Dual EZ-Change Low Cylinder Rack with Elevated Gun and Cable Rack

300337 Dual cylinder rack with cable storage; allows cylinders to roll on and off the rack with no lifting.

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Elevated Gun and Cable Rack

300335 For use with the single cylinder rack; keeps spool gun cables off the floor.

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Protective Cover

195142 Machine cover with side pocket; not for use with the dual cylinder rack or elevated gun and cable rack.

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Argon/Mixed Gas Regulator

31-50-580 Flowmeter regulator path listed with the Millermatic 252 accessory table.

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Full KVA Adapter Cord

300517 Field adapter from NEMA 14-50P to NEMA 6-50R for using an engine drive 120/240 V plug with common Millermatic and Spectrum 240 V plugs.

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Millermatic 252 V-Grooved Drive Roll Kits

204579 / 087131 / 079594 / 079595 / 079596 Solid-wire drive roll kits for .024, .030, .030/.035, .035, and .045 in. wire.

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Millermatic 252 V-Knurled Drive Roll Kits

079606 / 079607 Flux-cored or difficult-to-feed wire drive roll kits for .035 and .045 in. wire.

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Millermatic 252 U-Grooved Drive Roll Kits

044749 / 079599 Aluminum wire drive roll kits for .035 and .047 in. wire.

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Compatible Guns / Torches

MDX-250 MIG Gun with AccuLock MDX Consumables

1770035 / 1770036 / 1770037 10 ft., 12 ft., and 15 ft. 250-amp MDX-250 gun options for .030/.035 in. wire; 1770037 is the standard included length.

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MDX-250 MIG Gun with Industrial AccuLock S Consumables

1770041 / 1770042 / 1770043 Industrial 250-amp MDX-250 gun path for .035/.045 in. wire with AccuLock S consumables.

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Spoolmate 200 Spool Gun

300497 20 ft. spool gun rated 160 A at 60 percent duty cycle for .030 - .035 in. aluminum wire and .023 - .035 in. steel/stainless wire.

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Spoolmatic 15A Spool Gun

195156 15 ft. air-cooled one-pound aluminum spool gun rated 200 A at 100 percent duty cycle.

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Spoolmatic 30A Spool Gun

130831 30 ft. air-cooled one-pound aluminum spool gun rated 200 A at 100 percent duty cycle.

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XR-Aluma-Pro Lite Push-Pull Gun

300948 25 ft. air-cooled gooseneck-style push-pull gun for .030 - .047 in. aluminum wire, rated 175 A at 60 percent duty cycle.

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XR-Aluma-Pro Push-Pull Gun

301568 / 301569 15 ft. and 25 ft. air-cooled gooseneck-style push-pull guns for .030 - .047 in. aluminum wire, rated 300 A at 100 percent duty cycle.

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Optional Spoolmate 200 Head Tubes

300591 / 300592 / 243385 45-degree head tube, 9 in. extension head tube, and 5 in. head tube options for Spoolmate 200.

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Push-Pull Aluminum Drive Roll and Accessory Kits

195311 / 195313 Accessory kits for .035 and .047 in. aluminum that include Millermatic U-grooved drive rolls, nylon wire guides, and contact tips.

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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
  • 10 ft. (3 m) work cable with clamp
  • 10 ft. (3 m) industrial power cord with plug on the 208/240 V model
  • Flow gauge regulator and gas hose for argon or Ar/CO2 mix
  • Factory-installed lowered running gear/cylinder rack
  • .030/.035 in. reversible dual-groove drive rolls
  • Extra contact tips

Dimensions

H: 30 in. (762 mm), W: 19 in. (483 mm), D: 40 in. (1016 mm)

Source: Miller Electric Millermatic 252 Spec Sheet, Issued April 2024, index 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.

Approved Buy Links

OEM-backed Amazon Links

Most popular accessory listed for this machine. Part: 300337
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