Difference between MCB, MCCB, ELCB, RCCB, RCBO, RCD And MPCB || why we use this device

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MCB, MCCB, ELCB, RCCB, RCBO, RCD And MPCB circuit breaker difference

What is Isolator ?
Isolator is a switching device which offers making and breaking of electric current in a circuit, it doesn't provide any kind of protection.

What is MCB ?
The MCB is an electromechanical device that switches off the circuit automatically if an abnormality is detected. The MCB provide Protection from overload and short circuit.

What is MCCB ?
MCCB stands for Molded Case Circuit Breaker. It is another type of electrical protection device which is used when load current exceeds the limit of a miniature circuit breaker. The MCCB provides protection against overload, short circuit faults and is also used for switching the circuits. It can be used for higher current rating and fault level even in domestic applications.

What is RCCB ?
This RCCB is basically an electrical wiring device that disconnects the circuit whenever there is leakage of current flow through the Human body or the current is not balanced between the phase conductor.

What is RCBO ?
RCBO is an automatic electrical switch is used to protect the circuit from overload, short circuit, and earth fault. It is a combination of MCB and RCCB.

What is MPCB ?
MPCB are a specialized type of electrical protection device that is designed specifically for electric motor, it’s provide protection against overload, Short circuit & Phase loss Protection, it can be also used to turn ON & OFF the Motor.
I Hope this video is going to be very Helpful for You

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Arun Gupta
Electricaltechnician02@gmail.com

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