It is used to protect the electric circuit from the flowing of excessive current which can further cause damages such as overload and short circuit. MCCB is the short form for a moulded case circuit breaker. The time duration if exceeds a certain value the MCB trips and breaks the circuit thus rendering the overload dysfunctional in damaging the appliances and further circuit. This means that they function whenever there is an overload or higher flow of current for a longer duration of time, the duration which can hamper the normal functioning of the circuit. MCBs work on a time-delay tripping mechanism. Image will be uploaded soon MCB Electrical MCB is a kind of a better version of a fuse. The mechanism of MCB has 3 possible positions, ‘ON’, ‘OFF’, and ‘TRIPPED’, hence the breaker provides manual means of opening and closing of the circuit. In conditions such as short circuit or overload, these devices trip by themselves hence saving the house by the damages caused by a short circuit or overload or as the case may be. Its primary function is to break the circuit when the current flowing through the circuit reaches past a certain set limit. MCB is the acronym used for the miniature circuit breaker and is commonly used in our day to day lives.
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