Description
A short-circuit is a common electrical fault that occurs when two or more conductors (usually phases) come into direct contact with each other or with the neutral conductor. Here are the key points about short-circuits:
A short-circuit is an unintended low-resistance connection between two points in an electrical circuit. It bypasses the normal load path and allows a large current to flow.
RCCB (Residual Current Circuit Breaker): Also known as an Earth Leakage Circuit Breaker (ELCB), an RCCB detects leakage currents (currents flowing to ground) and disconnects the circuit. Unlike MCBs, RCCBs protect against both short-circuits and leakage currents.
Leakage currents occur when a small amount of current flows from the live conductor to ground due to insulation breakdown or faulty appliances.These currents are dangerous to humans and livestock and can also cause fires.RCCBs are specifically designed to detect and respond to leakage currents.
In summary, while circuit breakers and fuses protect against short-circuits, an RCCB provides additional safety by detecting leakage currents and disconnecting the circuit when necessary. It plays a crucial role in preventing electrical accidents and fires.
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