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.
What's Included
Power source with 9 ft. (2.7 m) industrial power cord15 ft. (4.5 m) 300-amp Bernard BTB MIG gun with Bernard AccuLock S consumables for .035/.045 in. (0.9/1.2 mm) wire10 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 rollsExtra .035 and .045 in. (0.9 and 1.2 mm) contact tipsMaterial Thickness Gauge
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.
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.
Versatility
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.
Locks and Limits
Provides control of the weld parameter ranges minimizing deviations from the welding procedure specifications (WPS).
Learn More
USB Port
Provides the ability to easily update software, back-up settings and transfer saved weld programs from one unit to the next.
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.
Auto-Set™ Technology
Offers predefined weld settings to increase ease of use and ensure that the job is done right for operators of all skill levels.
Processes
MIG (GMAW)
Pulsed MIG (GMAW-P)
Key Specifications
| Title |
Millermatic® 355 - MIG/Pulsed MIG Welder 208/240/460/575V |
| Applications |
Fabrication
Mobile Fabrication & MRO
Welding Education and Training |
| Industries |
Manufacturing
Construction and Fabrication
Transportation |
| 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
Steel |
| Current Type |
DC |
| Rated Output |
310 A at 29.5 V, 60% duty cycle |
| 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 |
| Input Voltage |
208 V
220/230/240 V
460 V
575 V |
| Input Phase |
1- and 3-Phase |
| Net Width |
13.75 in |
| Net Height |
19.25 in |
| Net Length |
26.25 in |
| Net Weight |
99 lbs |
| Warranty |
3 Years
Miller's True Blue Warranty
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