Millermatic® 255 MIG/Pulsed MIG Welder - 208/240V

The Millermatic® 255 is an all‑in‑one MIG/Pulsed MIG welder that boosts productivity for manufacturing and fabrication with advanced automation and portability.

Key Features

• Versatile MIG, Pulsed MIG, and flux‑cored welding capabilities
• MDX‑250 MIG gun with AccuLock™ S consumables for 0.035‑0.045 in. wire
• Generator‑compatible (12 kW+ output) for on‑site power
• Locks and Limits technology to maintain weld parameters within spec
• Auto‑Set™ predefined settings for ease of use across skill levels
• 7‑inch color LCD for intuitive interface
• Optional EZ‑Latch™ running gear for effortless transport
• Program mode saves and recalls favorite weld programs
• Pulsed MIG reduces heat input, spatter and distortion on thin material
• Portable design at 84 lb, over 50 % lighter than transformer units
• USB port for software updates and program backup

Specifications

• Input Voltage: 208 V, 220/230/240 V (1‑phase, 50/60 Hz)
• Amperage Range: 20 A – 350 A
• Wire Feed Speed: 1.3 m/min – 20 m/min (50 IPM – 800 IPM)
• Duty Cycle: 230 A at 25.5 V, 60 % duty cycle
• Weight: 84 lb
• Dimensions (W × H × L): 13.75 in × 19.25 in × 26.25 in

Applications

• Aluminum welding
• Automotive welding
• General fabrication
• Mobile fabrication & MRO
• Welding education and training