The Kemppi Master S 400 is a powerful, portable and reliable MMA (stick) welding machine designed for demanding professional applications. It delivers excellent welding performance combined with a compact and robust design, making it ideal for industrial environments, workshops and construction sites.
With stable arc characteristics, simple controls and high safety standards, the Master S 400 performs consistently even under challenging conditions or when powered by a generator.
Key Features & Benefits
- High-performance MMA welding up to 400 A
- Compact and portable design
- Integrated VRD function for increased electrical safety
- Hot Start for easy arc ignition
- Adjustable Arc Force for stable arc and deep penetration
- Anti-Stick function prevents electrode sticking
- Lift TIG capability for basic TIG welding (optional)
- Generator friendly – tolerates wide voltage fluctuations
- Optional remote control capability
Technical Highlights (Selected)
- Welding current (MMA): up to 400 A
- Electrode range: 1.6 – 6.0 mm
- Open circuit voltage: approx. 55–65 V
- Protection class: IP23S
- Operating temperature: −20 °C to +50 °C
- Weight: approx. 20.5 kg
Ideal For
- Construction sites
- Industrial maintenance
- Workshop welding
- Heavy-duty MMA applications