The Sigma One 400 S-V DC Pulse is a high-performance inverter MIG/MAG welder designed for professionals who value ease of use and reliability in intense working conditions. Thanks to Pulse technology, the device provides fast, precise welding, minimizing spatter and reducing material heating, which is crucial when working with thick steel plates and steel structures.

The welder is equipped with an ergonomic MV 450 TWIST 3M handle that allows for angle adjustment, providing greater convenience when welding in hard-to-reach areas. The liquid cooling system guarantees thermal stability even during hours of high-power operation, increasing the productivity and life of the device. The Sigma One 400 S-V DC Pulse will perform well both on the shop floor and on the construction site. It is ideal for welding carbon steel, stainless steel and other alloys, and thanks to synergistic welding programs, it automatically adjusts parameters to the selected materials and wire diameters.

Standard equipment includes:

• Pulse mode for fast and precise welding.
• Synergistic welding programs that automatically optimize settings.
• DUO Plus function to improve the quality and aesthetics of welds.
• FlashMEM for saving and quickly recalling settings.
• A 2.2 m diffusion hose for optimal shielding gas delivery.
• Illuminated wire console for easier work in dimly lit areas.
• Transport cart with gas cylinder holder and stable chain.
• Robust 8.5 m power cable and 3 m ground cable with clamp.
• Liquid cooling module with flow control in watercooled version.

The Sigma One 400 S-V DC Pulse is the ideal solution for production facilities and welders who need reliable equipment for long-term work. By combining advanced technology with ease of use, the device guarantees maximum efficiency and comfort in all conditions.

Download the catalog now! -> Sigma One 400 datasheet