ABB FS403MK-B6/0.03

The ABB FS403MK-B6/0.03 is a globally utilized automatic differential current circuit breaker designed to provide precise residual current protection in electrical installations. This device plays a critical role in industrial safety systems by detecting leakage currents and preventing electrical hazards.

Key Technical Features and Applications of FS403MK-B6/0.03

• Sensitive residual current detection at 30 mA enables enhanced protection against electric shock in industrial power distribution networks.
• Rated breaking capacity ensures reliable interruption of fault currents, maintaining system integrity under abnormal conditions.
• Compact modular design facilitates integration into standard control panels, optimizing space efficiency in electrical cabinets.
• Thermal-magnetic trip mechanism combines overload and short-circuit protection, reducing equipment downtime and maintenance needs.

This circuit breaker is essential in environments requiring strict grounding and personnel safety protocols, such as manufacturing plants and critical infrastructure installations. It is also well-suited for safeguarding automation systems against leakage faults.