Many electrical issues in factories and offices—such as circuit breakers tripping suddenly or equipment shutting down—are caused by “overelectric current.” If left unaddressed, this can lead to serious accidents such as wiring damage or electrical fires.

Particularly in facilities using industrial equipment or motors, equipment shutdowns caused by excessive electric current can affect the entire production line and potentially result in significant economic losses.

For development engineers and facility managers, correctly understanding the causes of overelectric current and implementing appropriate countermeasures is essential for maintaining equipment safety and uptime.

This article provides a comprehensive explanation of practical information, ranging from the basics of overcurrent to its causes and specific countermeasures.