



Prices Exclude Tax
The GYS KRONOS 400T W is a powerful three-phase inverter welder engineered for professional MIG/MAG, MMA, and TIG DC applications. Designed and manufactured in France, it combines precision, performance, and durability in one advanced unit. The integrated 800W liquid cooling system ensures continuous operation during intensive welding cycles, while the digital synergy control automatically adjusts key parameters for steel, stainless steel, aluminium, and flux-cored wires. Featuring a 3.5” multilingual colour interface and both Easy and Expert display modes, the KRONOS 400T W provides optimal flexibility for every user level—from apprentices to seasoned professionals. Its stable digital arc control, four-roller wire feeder, and energy-efficient design make it a top-tier choice for bodyshops, manufacturing, and heavy fabrication workshops demanding reliability and top-quality welds.
Collections: Best Selling Products, Newest Products
The KRONOS 400T W is ideal for professional welders, repair workshops, and industrial fabricators requiring long-duty performance with exceptional precision. Its dual interface, intelligent synergy control, and integrated cooling system make it particularly suited for multi-material operations in production and repair settings.
| Specification | Details |
|---|---|
| Reference | 075511 |
| Input Voltage | 400V – 3 Phase, 50/60Hz |
| Output Current Range | 15A – 400A |
| Duty Cycle (40°C) | 300A @ 60%, 280A @ 100% |
| Welding Processes | MIG/MAG, MMA DC/Pulse, TIG DC Lift/Pulse |
| Wire Diameter | Steel/Stainless: 0.6–1.2mm | Aluminium: 0.8–1.2mm | Flux-Cored: 0.9–1.6mm |
| Wire Feed Speed | 1.5 – 20 m/min |
| Cooling System | Integrated 800W Liquid Cooling |
| Protection Rating | IP23S – Suitable for Harsh Environments |
| Weight | 66 kg |
| Dimensions (mm) | 900 × 550 × 810 |
| Compliance | EN 60974-1 |
Its integrated cooling unit, dual interface, and synergy control allow professionals to maintain consistent performance across different materials and production cycles.
Yes, the KRONOS 400T W is designed for flexibility—ideal for both precision bodywork and high-output fabrication in industrial environments.
It supports steel, stainless steel, aluminium, and flux-cored wires, each with dedicated synergy programs for easy setup and precision control.
Routine servicing includes cleaning air filters, monitoring coolant levels, and updating firmware via USB. BWS offers full service and calibration support for all GYS models.



As an approved GYS Service Centre with nationwide coverage, BWS Ltd delivers complete sales, setup, and calibration support for all GYS welding systems. Every unit is supplied with expert advice, certified installation, and access to our team of professional engineers. Trusted by UK workshops since 1994, BWS ensures reliability, authenticity, and long-term value for your welding investment.