WHAT’S INCLUDED
- Power source with 10 ft. (3 m) power cord
- 15 ft. (4.5 m) 250-amp MDX™-250 MIG gun w/ Bernard® AccuLock™ S consumables for .035/.045 in. (0.9/1.2 mm) wire
- 10 ft. (3 m) work cable and clamp and 50mm Dinse-style connector
- Flow gauge regulator and gas hose for argon or AR/CO2 mix
- Extra contact tips
- .035/.045 in. (0.9/1.2 mm) reversible drive rolls
- Material 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.
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.
Versatility
Capabilities include MIG, pulsed MIG and flux-cored welding.
MDX-250 MIG Gun w/ 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 84 lb.
Weight is reduced by more than 50 percent compared to the Millermatic 252.
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 255 will be able to operate and provide full output when powered by generators with 12000 Watt (12K) output or higher. Limited output will occur when used with smaller generators.
NOT INCLUDED
- Shielding gas and safety equipment not included.
- Shielding gas (for welding with solid wire [GMAW])
- Welding wire
- Push-Pull Gun (for welding aluminum)
- Spool Gun (for welding aluminum)
- Flux cored drive rolls (for welding with flux cored wire [FCAW])
- Personal safety products (helmet, gloves)
PROCESSES
Flux Cored (FCAW)
MIG (GMAW)
GENERAL SPECIFICATIONS
| Title | Millermatic® 255 MIG/Pulsed MIG Welder – 208/240V |
|---|---|
| Industries Interests | Racing Farm and Ranch Auto Repair Manufacturing Welding Education and Training |
| Amperage | 20 A – 350 A |
| Material Thickness | Aluminum 18 ga. (1.2 mm) – 1/2 in. (12.7 mm) Mild Steel 24 ga. (0.5 mm) – 1/2 in. (12.7 mm) |
| Weldable Metals | Aluminum Stainless Steel Steel |
| Input Voltage | 208 V 220/230/240 V |
| Input Phase | 1-Phase |
| Input Hz | 50/60 Hz |
| Input Amperage | 31.4 |
| Current Type | DC |
| Rated Output | 230 A at 25.5 V, 60% duty cycle |
| Max Open Circuit Voltage | 87 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. Stainless 0.023 in. – 0.045 in. Stainless 0.6 mm. – 1.2 mm. Solid Steel 0.6 mm. – 1.2 mm. Solid Steel 0.023 in. – 0.045 in. Flux Cored 0.03 in. – 0.045 in. Flux Cored 0.8 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 | Handle(s) Running Gear / Cart (Optional) |
| Weld Output | CV |
| Applications | Aluminum Welding Fabrication Mobile Fabrication & MRO |
| Net Width | 13.75 in |
| Net Height | 19.25 in |
| Net Length | 26.25 in |
| Net Weight | 84 lbs |
| Warranty | 3 Years Miller’s True Blue Warranty |
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