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Model

Rental Equipment

Millermatic 251

Millermatic 251 MIG Welder

Top Features

  • Welding Range 30 to 300 Amps
  • Solid Steel, Stainless Steel and Flux-Cored Welding
  • .023 - .045" Solid MIG, .035" Flux-Cored Wires
  • Processes: MIG (GMAW), Wirefeeders, Flux-Cored (FCAW)

The Millermatic 251 is capable of welding materials from 22 gauge up to 1/2 in thick in a single pass. Active Arc Stabilizer technology provides excellent starts and line voltage compensation provides constant output with fluctuations in input power.


Product Details

Specifications

Rated DC Output: 200 A, 28 VDC at 60% duty cycle
250 A, 28 VDC at 40% duty cycle
DC Amperage Range: 30 - 300 A
OCV: 38 V
Input at Rated Output:
(60 Hz)
230 V
42 A
575 V
17 A
kVA
10
kW
7.7
Wire Feed Speed: 25 - 700 IPM
Weight: 215 lb (98 kg)
Dimensions: H: 32" (813 mm) W: 19" (483 mm) L: 39" (991 mm)
Wire Type and Diameter: Solid Steel: .023 - .045" (0.6 - 1.2 mm)
Stainless Steel: .023 - .035" (0.6 - 0.9 mm)
Flux-Cored: .030 - .045" (0.8 - 1.2 mm)

Processes

MIG (GMAW)

Wirefeeders

Flux-Cored (FCAW)

Additional Features

Features

  • Adjustable run-in control for optimized starts
  • Spoolmatic 30A or 15A gun is directly connected with no extra module required
  • Tip Saver shuts off weld output if tip is shorted to work surface
  • Weld output shuts off if no arc is detected within 3 seconds after gun trigger is depressed
  • Fan-On-Demand
  • Self-calibrating digital meters
  • Industrial, dual-gear-driven, cast aluminum drive system

Options, Accessories and Related Equipment

Accessories
Spoolmatic 30A Spoolgun

Related Equipment

Also see the Miller 252 welder.


Miller MIG Welders

Millermatic 180
Millermatic 251
Millermatic 252
Millermatic 350P
Used MIG Welders



Millermatic 251

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Airgas

Airgas, an Air Liquide company, is the nation's leading single-source supplier of gases, welding and safety products. Known locally nationwide, our distribution network serves more than one million customers of all sizes with a broad offering of top-quality products and unmatched expertise.