An earth leakage circuit breaker elcb is a safety device used in electrical installations with high earth impedance to prevent shock.
Earth leakage circuit breaker diagram.
Generally the current sensing devices termed as rccb and voltage detecting devices named as earth leakage circuit breaker elcb.
An voltage elcbs were first introduced about sixty years ago and current elcb was first introduced about forty years ago.
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It detects small stray voltages on the metal enclosures of electrical equipment and interrupts the circuit if a dangerous voltage is detected.
For many years the voltage operated elcb and the differential current operated elcb were both referred to as elcbs because it was a simpler name to.
Forty years ago the first current eclbs were introduced and about sixty years ago the first voltage eclb was introduced.
Means it detects the earth leakage current and.
Unlike previously studied rccb an elcb is a voltage operated device.
Earth leakage circuit breaker or elcb.
Current earth leakage current earth leakage circuit breaker current elcb.