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

The Millermatic® 355 is a versatile MIG/Pulsed MIG welding machine that supports 208 V, 240 V, 460 V and 575 V input power. It features a 7‑inch color LCD with Auto‑Set™ Elite, trigger program select, and can weld up to ½ inch aluminum, stainless and mild steel.

Key Features

• 7‑inch color LCD with Auto‑Set™ Elite and electronic parameter chart
• Pulsed MIG for lower heat input, reduced distortion and spatter
• Trigger Program Select for quick weld setting changes
• Supports MIG, Pulsed MIG and flux‑cored welding processes
• 99 lb portable unit with optional EZ‑Latch™ running gear
• Generator compatible (19 kW+ output) and input voltage selection switch (208‑575 V)
• USB port for software updates and program backup

Specifications

• Input Voltage: 208 V, 220/230/240 V, 460 V, 575 V (single‑ or three‑phase)
• Amperage Range: 20 A – 400 A
• Wire Feed Speed: 1.3 m/min – 20 m/min (50 IPM – 800 IPM)
• Duty Cycle: 60 % at 310 A, 29.5 V
• Weight: 99 lb
• Dimensions (Net): 13.75 in (W) × 19.25 in (H) × 26.25 in (L)

Applications

• Fabrication
• Mobile fabrication & MRO
• Welding education and training
• General manufacturing, construction and transportation welding tasks