ABB FS403MK-C25/0.3

The ABB FS403MK-C25/0.3 is an automatic residual current circuit breaker (RCCB) designed for global industrial distribution. This device plays a critical role in electrical safety by detecting and interrupting differential currents to prevent electric shock and equipment damage.

Key Technical Features and Applications of FS403MK-C25/0.3

• Differential current sensitivity set at 0.3 A enables rapid disconnection, enhancing personnel protection in environments with stringent safety requirements
• Rated current of 25 A ensures reliable circuit interruption in medium-load electrical installations
• Automatic trip mechanism facilitates consistent disconnection without manual intervention, reducing downtime in automated systems
• Compact design allows integration into control panels where space constraints exist, optimizing installation layouts

This circuit breaker is essential in industrial automation settings requiring fault current monitoring, such as manufacturing lines with sensitive electrical equipment and building infrastructure that demands precise residual current detection for compliance and operational safety.