The Lincoln Electric – Invertec 400SX Stick Welder 415V (3-phase), 16.4 kW combines robust industrial construction with excellent arc performance. Built with Lincoln’s tunnel technology, the sensitive electronic components are separated from contaminating cooling airflow, ensuring reliability in harsh environments. The strong metal case with protective rubber corners makes it suitable for site operation with generators or workshop use.
This welder features a fully equipped, user-friendly control panel with digital display for precise current settings. It offers Soft and Crisp arc modes for different electrode types, auto-adaptive arc force for stable arcs, and adjustable Hot Start and Arc Force to ensure smooth electrode striking and prevent sticking. Lift TIG capability provides clean ignition without tungsten contamination.
With a maximum output of 400A, the Invertec 400SX supports a wide range of coated electrodes up to 6.3 mm in diameter. It is generator-ready, meets IEC974-1, ROHS, and CE standards, and is designed for heavy-duty industrial welding applications requiring reliability, flexibility, and high performance.
TECHNICAL DETAILS:
| Specification | Details |
| Brand | Lincoln Electric |
| Model | Invertec 400SX |
| Input Power | 415V / 3Ph / 50–60Hz |
| Rated Output | 400A / 36V @ 35% ; 300A / 32V @ 100% |
| Duty Cycles | 16.4 kW @ 35% ; 10.9 kW @ 100% |
| Input Current | 30A |
| Output Range | 5–400A |
| Electrode Size | Up to 6.3 mm |
| Dimensions (HxWxD) | 455 × 301 × 632 mm |
| Weight | 37 kg |
| Protection Class | IP21S |
| Compliance | IEC974-1, ROHS, CE |
| Unit/Pack | EA |






