Description
The Ultimate Pulse Capable MIG Welder
The Miller Electric Millermatic 355 is a game - changer. It's the first single - or three - phase power Millermatic that can weld 22 - gauge to 1/2 - inch thick material in one pass. Ideal for fabrication, manufacturing, maintenance, and repair.
It's super easy to use, boosting efficiency and productivity for everyone. The 7 - foot Color LCD screen comes with Auto - Set Elite, an Electronic Parameter chart, and Trigger Program Select. This all - in - one welder connects to any North American input power and can weld up to 1/2 - inch aluminum, stainless, and mild steel.
Pulsed - MIG Advantage
Switch to Pulsed - MIG with the Millermatic 355 and see productivity soar by 30%, 50%, or even 100%, saving you thousands of dollars. It has lower heat input, reducing distortion on thin materials. Less spatter means less post - weld grinding and rework, giving you more welding time. It also offers better penetration on thicker materials, allowing you to take on new welding applications.
Simple and Portable
The 7 - inch color LCD display helps with proper machine setup and parameter selection, cutting setup time and increasing weld time. And it only weighs 99 lbs!
Auto - Set Elite & Program Mode
Miller Electric's predefined weld settings make it easy for users of all skill levels and ensure the job is done right. It also shortens the setup time for welds. Program Mode lets you save and recall your favorite weld settings with a click, boosting productivity and ensuring consistent quality.
Powerful and Versatile
It can handle MIG, pulse MIG, and fluxed cored welding. It has a direct connection for a push - pull gun and can use a push - pull or spool gun for MIG aluminum. The input voltage selection switch allows you to use any single or three - phase North American power (208, 240, 460, 575 V) and shows an error code if the input is wrong.
Generator Compatible
The Millermatic 355 can run at full output with a 19,000 - watt or higher generator. Output is limited with a smaller generator.
AccuLock S Consumables
The AccuLock liner loads from the front and locks at both ends for a perfect wire feed path. The new Industrial Bernard AccuLock S contact tips offer great Spray and Pulsed MIG arc performance.
Trigger Program Select
You can increase productivity by just tapping the gun trigger to select a program, no need to go back to the machine to change settings.
Included with Product
- Millermatic 355 power source
- 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
- .035/.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
Specifications
Video
Accessories


Using the Miller Millermatic 355 is a breeze. First, connect it to the right power source using the input voltage selection switch. Make sure to use a 19,000 - watt or higher generator for full output. Then, select your weld settings on the 7 - inch color LCD display. You can use the Auto - Set Elite for easy setup or Program Mode to save and recall your favorite settings. When welding, use the Trigger Program Select to change settings without going back to the machine. For the consumables, load the AccuLock liner from the front and ensure it's locked at both ends. When it comes to maintenance, keep the machine clean and check the consumables regularly. If you use a smaller generator, be aware that the output will be limited. Also, if you see an error code on the display, double - check the input power. That's it, enjoy welding with this powerful and versatile machine!