Manually switch the switch to the closed position to make the circuit breaker work. Overload protection:If the circuit is overloaded for a long time, the bi-metallic strip becomes overheated and deformed. This deformation of Bi-metallic strip causes, displacement of latch point. The moving contact of the MCB is arranged by means of spring pressure, with this latch point, that a little displacement of latch causes, release of spring and makes the moving contact to move for opening the MCB. | Lear

5.2K views · 18 reactions | Inside part of mcb miniature circuit breaker . #electrician #relay #control #power #technician #switch #engineering #fblifestyle #diy #electrical | Electricians Guide | Facebook

6.4K views · 27 reactions | What's inside an MCB ? Overview of miniature circuit breaker #electrician #relay #control #power #technician #switch #engineering #fblifestyle #DIY #electrical | Electricians Guide | Facebook