Earth leakage circuit breaker

（重定向自ELCB）

An Earth-leakage circuit breaker (ELCB) is a safety device used in electrical installations with high Earth impedance to prevent shock. It detects small stray voltages on the metal enclosures of electrical equipment, and interrupts the circuit if a dangerous voltage is detected. Once widely used, more recent installations instead use residual current circuit breakers which instead detect leakage current directly.

单词	ELCB
释义	ELCB 英语例句库 ELCB or GFCI device with trip load of no more than 30 milliamp will be fitted and fully operational. 有故障的设备不可以使用，要报告给监护人员准备维修或者取走不用。英语百科 Earth leakage circuit breaker （重定向自ELCB） An Earth-leakage circuit breaker (ELCB) is a safety device used in electrical installations with high Earth impedance to prevent shock. It detects small stray voltages on the metal enclosures of electrical equipment, and interrupts the circuit if a dangerous voltage is detected. Once widely used, more recent installations instead use residual current circuit breakers which instead detect leakage current directly.
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