These circuit breakers have two states ... of something with an integrated circuit, an e-fuse carries a higher up-front cost than its metal-blade counterpart. But in addition to better diagnostic ...

An MCB (miniature circuit breaker) can be reset and uses an electromagnet to open a switch if the current goes above a certain value. MCBs switch off the current faster than a fuse. An RCCB ...

Already used in computers and other electronics, the e-fuse is finding a home in automotive applications, such as in Rivian ...