ABB F404A-K40/0.03

The ABB F404A-K40/0.03 Residual Current Device is a globally utilized protective component designed to detect and interrupt leakage currents, ensuring electrical safety in industrial installations.

Key Technical Features and Applications of F404A-K40/0.03

• Sensitivity rating of 30 mA enables precise detection of earth leakage currents, minimizing risk of electrical shocks in manufacturing environments.
• Rated current of 40 A accommodates medium-load circuits common in automation panels for reliable protection.
• Differential current monitoring provides rapid disconnection in fault conditions, safeguarding equipment and personnel in complex industrial networks.
• Compact design facilitates integration into standard control cabinets without compromising space or accessibility.

Typical use cases include machinery safety circuits and distribution board protection where reliable ground fault detection is crucial.