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Home Home Improvement

Here’s Why It is Critical to Include An RCCB in A Distribution Board

Lal Pratap by Lal Pratap
May 28, 2024
in Home Improvement
Reading Time: 3 mins read
0
Include An RCCB in A Distribution Board

Long gone are the days when electricity was a luxury. Today it is a necessity in our lives. However, using electricity has not always been the safest thing. There are numerous incidents when people died due to electrocution, faulty wiring, or overflowing of electric current. But with the passage of time, it has been possible to build safer systems that have been successful in detecting faults and leakages and shutting down the entire power supply before it causes any loss to life or property.

In this article, we will talk about the reasons why it is important to include an RCCB in a distribution board. 

Table of Contents

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  • To Protect from Electric Shocks
  • RCCB – Residual Current Circuit Breaker
  • Advantages of RCCB
  • RCCB and Distribution Board

To Protect from Electric Shocks

The electrical system is fraught with all kinds of faults, and earth leakage is one of them. Anytime the current leaks from a conductor, it is known as earth leakage. It is common to use multiple electrical appliances at home, such as TV, AC, laptop, machines, etc., that can cause harmonic distortion to the electricity we consume. There are also other reasons, such as inadequate insulation, that can lead to earth/current leakage. 

When the insulation of the conductor weakens or ruptures, the current can leak and find its way into the ground. Usually, there is an earth wire that directs the current into the ground. But if a human body comes in contact with it, it can lead to an electric shock. In order to protect from this leakage, there are two kinds of protection devices – ELCB and RCCB. 

For the purpose of this article, we will discuss why RCCB is used to protect against the earth/current leakage. 

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RCCB – Residual Current Circuit Breaker

RCCB is a protection device that senses the current and protects against earth leakage. It works on ‘Kirchhoff’s Current Law.’ It means that the amount of current that enters the circuit must be the same as the current leaving the circuit. Simply put, the sum of incoming and outgoing current should be 0. 

To ensure this, RCCB is equipped with a Core Balance Current Transformer (CBCT) that can sense the amount of current entering and leaving the circuit. Anytime it senses a current leak, the relay connected to CBCT trips the RCCB. 

Advantages of RCCB

Here are some of the reasons why you must consider adding them to your distribution board. 

  • They provide protection against earth leakage as well as all kinds of leakage current. Therefore, you don’t need to install an individual earthing device to protect yourself from electrical shocks as a result. 
  • It automatically trips the circuit when the rated sensitivity to the current is exceeded. It can break the circuit even if there is no earth continuity available. 
  • It is easy to install, thanks to simplified wiring! 
  • RCCB protects against voltage fluctuation as it comes with a filtering device that prevents surges, lags, and any other kind of transient voltage levels. 

RCCB and Distribution Board

RCCB is placed inside the distribution board, parallelly to the MCB. Neutral links are connected to neutral connections, and phase is parallelly connected in MCB. It is the MCB that is responsible for providing protection against the overload and short circuit. RCCB’s job is to protect you against earth leakage. Neutral is an important component in RCCB to gauge the incoming and outgoing current. 

If you want to install RCCB in each phase, you will need a special kind of distribution board called Per Phase Isolation. This board installs separate neutral links in each phase in such a way that the RCCB will only trip the phase that is experiencing a leakage. Every other phase will continue to work without being disrupted. 
Be sure to take help from expert professionals when choosing an RCCB for your distribution board.

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Lal Pratap

Lal Pratap

After a point in time when life seems to be settled and the things that you once desired have been accomplished you try to search for new horizons. One such new horizon was. It was only a year ago that I started this journey and now the journey has become a part of my existence.

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