ABB FS403MK-C20/0.3

The ABB FS403MK-C20/0.3 is an automatic differential current switch designed for precise monitoring of residual currents in industrial electrical systems. Distributed globally, this device plays a critical role in enhancing electrical safety and system reliability by detecting earth leakage currents promptly.

Key Technical Features and Applications of FS403MK-C20/0.3

• Automatic detection of differential currents enables rapid disconnection to prevent electrical faults and equipment damage in industrial installations.
• Sensitivity calibrated at 0.3 A supports effective leak current monitoring, crucial for protecting personnel and maintaining operational continuity.
• Compact design allows integration into diverse electrical panels without requiring significant space adjustments.
• Compatible with systems requiring reliable ground fault interruption to comply with stringent safety standards in manufacturing and processing plants.

This differential current switch is essential in environments where protecting motors and control systems from leakage currents is paramount, such as in automated production lines and high-voltage switchgear applications.