Mcb Connection Diagram. Miniature circuit breakers mcbs for r electromagnetic relay mcb breaker an overview guide diagram wiring full dc verification or what difference between mccb with that every lv electrician should. It is the main mcb of the house and it also acts as the main switch of the house.
Today we are going to know proper rccb connection diagram with mcb if you do not know the connection of rccb then this article will be helpful for you. The output of the two pole mcb is given to the mcb box for distribution of power to each room. The main function of an mcb is to switch the circuit i e to open the circuit which has been connected to it automatically when the current passing through it mcb exceeds the value for which it is set.
What is miniature circuit breaker mcb.
Miniature circuit breakers mcbs for beginners. There are many electrical engineering students and many other people who work in electrical wiring have some confusion about the selection of rating of circuit breakers and also the connection of rccb and mcb. As you see in the below diagram a two pole mcb is connected after the energy meter. Wiring diagram of single phase distribution board with rcd in nec us iec uk eu electrical wiring color codes double pole mcb dp the isolator or main switch this is the main operating switch which is used to control the electric power supply in the building s.
