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907808 / Millermatic® 355 - MIG/Pulsed MIG Welder 208/240/460/575V

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  • Easy to use machine to increase efficiency and productivity for manufacturing and fabrication users. 7" Color LCD screen featuring Auto-Set™ Elite, Electronic Parameter chart, and Trigger Program Select. This all-in-one welder connects to any North American input power. Welds up to 1/2” aluminum, stainless and mild steel.


  • MIG (GMAW)
  • Pulsed MIG (GMAW-P)


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Easy-to-understand interface

7-inch color LCD display ensures proper machine setup and parameter selection, reducing setup time and increasing weld time

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 easy save and recall of favorite weld settings.

Deliver more productivity, consistent quality by welders of all skill levels by using prequalified weld settings. Minimize supervisor need to intervene.

Trigger Program Select

Increases productivity by eliminating the need to go back to the machine to change weld settings. Simply tap gun trigger to select the program.


Capabilities include MIG, pulsed MIG and flux-cored welding.

Bernard BTB Gun 300 A MIG gun with AccuLock™ S 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. New Industrial Bernard AccuLock™ S contact tips provide superior Spray and Pulsed MIG arc performance.

Portability - Machine only weighs 99 lb

Weight is reduced by more than 40 percent compared to the Millermatic 350P.

Optional EZ-Latch™ running gear

Operators no longer need to use lift truck to load machine and running gear into the truck. Latches secure machine to running gear. Simply loosen the latch retaining knob and rotate latches to disengage machine from running gear for easy portability

Generator Compatible

The Millermatic 355 will be able to operate and provide full output when powered by generators with 19000 Watt (19K) output or higher. Limited output will occur when used with smaller generators.

Input Voltage Selection Switch

Provides versatility to utilize any single- or three-phase North American power (208, 240, 460, 575 V). Location in the wire drive compartment provides the ability to manually switch input voltage. An error will display if wrong input selected.
Title Millermatic® 355 - MIG/Pulsed MIG Welder 208/240/460/575V
Industries Interests Commercial Truck and Trailer
Construction / Fabrication
Education / Training
Maintenance and Repair - In Plant
Amperage 20 A - 400 A
Material Thickness Aluminum 18 ga. (1.2 mm) - 1/2 in. (12.7 mm)
Mild Steel 22 ga. (0.6 mm) - 1/2 in. (12.7 mm)
Weldable Metals Aluminum
Specialty Metals
Stainless Steel
Input Voltage 208 V
220/230/240 V
460 V
575 V
Input Phase 1- and 3-Phase
Current Type DC
Max Open Circuit Voltage 90 VDC
Wire Feed Speed 1.3 m/min - 20 m/min
50 IPM - 800 IPM
Wire Diameter Aluminum 0.035 in. - 0.047 in.
Aluminum 0.9 mm. - 1.2 mm.
Metal-Core 1.2 mm. - 1.3 mm.
Metal-Core 0.045 in. - 0.052 in.
Stainless 0.023 in. - 0.045 in.
Stainless 0.6 mm. - 1.2 mm.
Solid Steel 0.9 mm. - 1.2 mm.
Solid Steel 0.035 in. - 0.045 in.
Flux Cored 0.035 in. - 0.045 in.
Flux Cored 0.9 mm. - 1.2 mm.
Silicon Bronze 0.030 in. - 0.035 in.
Silicon Bronze 0.8 mm - 0.9 mm.
Spool Size 12 in. (305 mm)
Portability Running Gear / Cart (Optional)
Weld Output CV
Net Width 13.75 in
Net Height 19.25 in
Net Length 26.25 in
Net Weight 99 lbs
Warranty 3 Years
  • Power source with 9 ft. (2.7 m) industrial power cord.
  • 15 ft. (4.5 m) 300-amp Bernard BTB MIG gun with Bernard AccuLock S consumables for .035/.045 in. (0.9/1.2 mm) wire.
  • 10 ft. (3 m) work cable with clamp and 50 mm Dinse-style connector.
  • Flow gauge regulator and gas hose for argon or AR/CO2 mix.
  • 0.035/0.045 in. (0.9/1.2 mm) reversible drive rolls.
  • Extra .035 and .045 in. (0.9 and 1.2 mm) contact tips.
  • Material Thickness Gauge.