Residual Current Circuit Breakers (RCCBs), also known as residual current devices (RCDs), play a pivotal role in safeguarding lives and property by preventing electrical accidents. These compact devices are an integral part of modern electrical systems, providing a crucial layer of protection against electric shocks and fires. In this article, we will delve into the world of RCCBs, exploring their functions, types, and the importance of their installation.
What is an RCCB?
An RCCB is an electrical safety device designed to detect and mitigate the risk of electrical faults. It operates by continuously monitoring the balance of electrical current flowing through live and neutral conductors in a circuit. Under normal conditions, these currents should be equal. However, in the event of a leakage fault, such as when a person accidentally touches an exposed wire, or water comes into contact with electrical components, the balance is disrupted. The RCCB swiftly detects this imbalance and instantly cuts off the power supply, thereby preventing electric shocks or fires. Types of RCCBs RCCBs come in various types to cater to different applications and levels of protection. The two primary types are:
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