Components of miniature circuit breaker

he miniature circuit breaker consists of the following main parts:
1. Disconnectable contact connection. It consists of fixed contact and movable contact< Br>2. Devices composed of metal cylinders or insulating cylinders, in which disconnectable contact connection, arc extinguishing equipment and transmission devices are installed< Br>3. Drive device driving contact< Br>4. Arc extinguishing equipment< br>