ABB FS403MK-C13/0.3

The ABB FS403MK-C13/0.3 is an automatic residual current circuit breaker designed for global industrial applications requiring reliable earth fault detection and enhanced electrical safety.

Key Technical Features and Applications of FS403MK-C13/0.3

• Equipped with sensitive differential current detection to provide rapid disconnection in the event of leakage currents, minimizing equipment damage and fire risk.
• Incorporates AVRT (Automatic Voltage Reset Technology) to ensure stable operation under fluctuating voltage conditions, enhancing system resilience.
• Compact modular design allows for seamless integration into distribution panels, optimizing space utilization in electrical switchgear assemblies.
• Rated for precise tripping at 0.3 A residual current, supporting compliance with stringent industrial safety standards.

Typical Use Cases

Commonly employed in manufacturing plants and commercial facilities where reliable ground fault interruption protects personnel and equipment in complex electrical networks. Essential in systems demanding continuous operational safety under variable load conditions.