ABB FS403MK-B10/0.03

The ABB FS403MK-B10/0.03 is an automatic differential current circuit breaker designed for global industrial applications, ensuring reliable protection against earth leakage currents in electrical installations.

Key Technical Features and Applications of FS403MK-B10/0.03

• Sensitive residual current detection with a 30 mA trip level enables rapid disconnection to prevent electric shock hazards in commercial and residential electrical networks.
• Rated current of 10 A supports medium-load circuits, providing precise overload and short-circuit protection in control panels.
• Compact modular design facilitates integration into standard DIN rail assemblies, optimizing space in electrical switchboards.
• Thermal-magnetic tripping mechanism ensures dependable response under variable load conditions, enhancing operational safety.

This circuit breaker is essential for safeguarding industrial automation systems from ground fault currents and is frequently employed in manufacturing facilities requiring dependable personnel and equipment protection.