ABB FS403E-C25/0.03

The ABB FS403E-C25/0.03 is an automatic differential current switch designed for precise detection of earth leakage currents in electrical installations worldwide. Distributed globally, this device plays a critical role in enhancing electrical safety and system protection across industrial settings.

Key Technical Features and Applications of FS403E-C25/0.03

• Incorporates a differential magnet sensor enabling rapid and accurate detection of residual currents, reducing the risk of insulation faults.
• Rated for 25 A with a 0.03 A sensitivity threshold, allowing reliable monitoring of low-level leakage currents in industrial electrical panels.
• Compact design facilitates integration into control cabinets without requiring extensive space, optimizing system layouts.
• Provides instantaneous tripping capability to prevent electrical hazards and equipment damage in various operational environments.

This differential current switch is essential in industrial applications requiring stringent earth fault detection, such as motor protection circuits and power distribution units in manufacturing plants.