ABB FS403M-B10/0.03

The ABB FS403M-B10/0.03 is an automatic differential current circuit breaker designed for global industrial applications where reliable electrical fault detection is critical. This device is engineered to detect residual currents promptly, enhancing protection against electrical leakage and minimizing fire risks in complex electrical installations.

Key Technical Features and Applications of FS403M-B10/0.03

• Residual current sensitivity of 30 mA enables precise detection of earth faults, improving operator safety in industrial and commercial electrical systems.
• Rated current of 10 A supports moderate load circuits, optimizing protection without compromising system performance.
• Automatic trip mechanism ensures immediate interruption upon fault detection, reducing downtime and equipment damage in production environments.
• Compact modular design facilitates integration into panelboards and distribution systems with limited space.
• Suitable for alternating current (AC) applications, providing consistent protection in standard industrial power supplies.

This circuit breaker is essential in manufacturing facilities requiring sensitive earth leakage detection and in automated control systems where electrical safety and continuity are paramount.