[Mike] shows us the inner workings of a 240VAC circuit breaker and explains how the different safety features in the device work. In proper MikesElectricStuff form, [Mike] finds out what it ...

The company Brown, Boveri & Cie (BBC), now known as ABB, patented the miniature circuit breaker in 1927. Designed by Heinrich Schachtner, this version found rapid use in the rising electrification of ...

[Learn Engineering] has a very clear video about what goes on inside a circuit breaker that’s worth the eight minutes to watch. You can see the video below. The handle is a mechanical ...

Small circuit breakers protect individual household appliances, whereas larger ones can protect high voltage circuits supplying electricity to entire cities. An MCB (miniature circuit breaker ...