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A device that trips like a switch and opens the circuit when overloaded.

Circuit Breaker

A device that trips like a switch and opens the circuit when overloaded.

A safety device that protects an electric circuit from becoming overloaded. Fuses contain a length of thin wire (usually of a metal alloy) that melts and breaks the circuit if too much current flows through it. They were traditionally used to protect electronic equipment and prevent fires, but have largely been replaced by circuit breakers.

Electric Fuse

A safety device that protects an electric circuit from becoming overloaded. Fuses contain a length of…