ABB FS403M-B25/0.03

The ABB FS403M-B25/0.03 is an automatic differential current circuit breaker widely utilized in industrial electrical systems to ensure effective protection against leakage currents and ground faults.

Key Technical Features and Applications of FS403M-B25/0.03

• Incorporates precise differential current detection enabling reliable interruption of fault currents, reducing risk of electrical hazards in complex installations.
• Rated at 25 A with a 30 mA sensitivity, balancing operational load capacity with enhanced personnel and equipment safety.
• Compact design facilitates integration into control panels where space optimization is critical without compromising protective functionality.
• Trip mechanism responds rapidly to leakage currents, minimizing downtime and preventing fire hazards in manufacturing and processing environments.

This circuit breaker is essential for safeguarding electrical installations in industrial plants where maintenance of operator safety and uninterrupted equipment operation are priorities. It is particularly suitable for systems requiring stringent leakage protection and quick fault isolation.