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Miller - Multimatic 255 Multiprocess Welder W/ EZ-Latch Running Gear

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  • Product Details
Product Details

Built for professionals in the MRO and light manufacturing/fabrication segments who want a smaller, versatile welder with intuitive setup to increase efficiencies and productivity. This inverter multiprocess elder is easy to use, will deliver versatility for faster uptime and performance, while allowing for portability.

Special Features
  • Versatlitiy - Multiprocess Capabilities of MIG, Pulsed MIG, Stick (6010), DC Lift Arc TIG and DC Pulsed TIG
  • Easy-to-Understand Interface - 7" color LCD display ensures proper machine setup and parameter selection, reducing setup time and increasing weld time.
  • Auto-Line Technology - For portability and reliability this inverter power supply allows for any single-phase input voltage hookup (208–575 V) with no manual linking, providing convenience in any job setting. Ideal solution for dirty or unreliable power.
  • Pulsed MIG Welding Delivers Higher Quality - Lower heat input for less distortion on thin materials, less spatter minimizes post weld grinding and rework allowing more welding time. Perform welding applications that couldn’t be done in the past.
  • Auto-Set Elite - Offers predefined weld settings to increase ease of use and ensure that the job is done right for operators of all skill levels.
  • Program Mode -  Allows for easy save and recall for your favorite weld settings. Deliver more productivity, consistent quality by welders of all skill levels by using prequalified weld settings. Minimize supervisor need to intervene
  • AccuLock Consumables - AccuLock liner loads from the front and locks at the front and back to insure proper alignment for flawless wire feed path. New rubber overmold and ball-and-socket handle design improves grip and reduces welder fatigue.


  • Power Source w/ 10' Power Cord
  • 15' 250A MDX-250 MIG Gun w/ Bernard AccuLock S Consumables for .035"/.045" Wire
  • 10' Cable w/ Electrode Holder & 50 mm Dinse-Style Connector
  • 10' Work Cable w/ Clamp & 50 mm Dinse-Style Connector
  • Flow Gauge Regulator & Gas Hose for Argon or AR/CO2 Mix
  • Extra Contact Tips
  • .035"/.045" Reversible Drive Rolls
  • EZ-Latch Single-Cylinder Running Gear
  • Chain to Secure Gas Cylinder
  • Material Thickness Gauge
Processes MIG (GMAW)
Pulsed MIG (GMAW-P)
Flux-Cored (FCAW)
DC Stick (SMAW)
DC Lift-Arc TIG (GTAW)
Pulsed TIG (GTAW-P)
Input Power Auto-Line 208 - 575 V, Single-Phase
Rated Output MIG: 230A @ 25.5V, 60% duty cycle
Stick: 200A @ 28V, 60% duty cycle
TIG: 275A @ 21V, 60% duty cycle
Wire Feed Speed 50 - 800 IPM
Max Open Circuit Voltage 81 VDC
Current Type AC / DC
Weld Output CC / CV
Dimensions (HxWxD) Machine Only: 19.24" x 13.75" x 26.25"
Machine w/ Running Gear: 32" x 13.75" x 45"
Weight Machine Only: 84 lbs.
Machine w/ Running Gear: 148 lbs.
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