Key Features
- Speed Short Arc™ (SSA™) for faster travel at lower heat
- High Penetration Speed™ (HPS™) for deeper penetration
- Soft Silence Pulse™ (SSP™) for quieter, smoother pulse
- MECHAPULSE™ for TIG-like bead appearance
LK14053-1P
The Speedtec ® 400SP is a high-performance, multi-process inverter welding power source designed for heavy-duty fabrication and industrial applications. Capable of delivering up to 420 A at a 100 % duty cycle, it supports MIG/MAG, pulsed MIG, flux-cored, stick (MMA), lift-TIG and air gouging processes with smooth and stable output. Built around a rugged, modular platform with advanced digital communication and optional wire feeders, it offers productivity-boosting features like Speed Short Arc™, High Penetration Speed™ and Soft Silence Pulse™ for faster travel speeds, deeper weld penetration and improved weld quality. With robust construction, excellent protection and compatibility with COOLARC® cooling systems, the Speedtec 400SP is engineered for reliability in demanding workshops, structural and heavy-fabrication environments.
| Processes | GMAW, FCAW-G, FCAW-S, Pulsed MIG, GTAW, SMAW, CAG, MIG brazing |
| Rated Output | 420 A @ 100% |
| Wire Feeders | LF 52D (standard) or LF 56D (advanced) |
| Dimensions(mm) | W625 x L295 x D550 |
| Weight (kg) | 53.5 |
