ABB F404A40/0.03

The ABB F404A40/0.03 Residual Current Device (RCD), distributed worldwide, serves as a critical safety component in electrical installations by detecting and interrupting leakage currents to prevent electric shock and equipment damage.

Key Technical Features and Applications of F404A40/0.03

• Sensitivity rating of 30 mA enables rapid detection of residual currents, enhancing personnel protection in industrial environments.
• Differential current selection capability ensures selective tripping, reducing nuisance shutdowns and increasing system reliability.
• Compact design facilitates integration into control panels with limited space, optimizing installation in dense electrical layouts.
• Compatibility with various AC systems allows deployment across diverse power distribution networks.

This device is essential for safeguarding electrical circuits in manufacturing plants and commercial facilities where reliable earth-fault detection is paramount.