A fuse is an electrical device that breaks the circuit by melting its fuse element due to the heat generated when the current exceeds a specified value. The fuse operates on the principle that when the current exceeds a set value for a certain period, the heat generated by the fuse element itself melts it, thereby breaking the circuit; it is a type of current protector made using this principle. Fuses are widely used in high and low voltage distribution systems, control systems, and electrical equipment as protection devices against short circuits and overcurrent, making them one of the most commonly used protective devices. For more details, see Baidu Encyclopedia
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