What is VCB circuit breakers and where be used?

A VCB circuit breaker is a type of circuit breaker that uses vacuum as the medium to extinguish the electric arc that occurs when the contacts are separated.

VCB circuit breakers are mainly used for medium voltage applications, such as power distribution, industrial plants, and railway systems.

They have many advantages over other types of circuit breakers, such as low maintenance, high reliability, fast switching, and environmental friendliness¹².