earth-fault protection relay

См. также в других словарях:

• Earth leakage circuit breaker — An Earth Leakage Circuit Breaker (ELCB) is a safety device used in electrical installations with high earth impedance to prevent shock.PurposeMany electrical installations have a relatively high earth impedance. This may be due to the use of a… …   Wikipedia

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• встроенная защита — [Интент] Параллельные тексты EN RU Automatic circuit breakers with microprocessor based electronic relay with integrated protection against earth fault (function G) [ABB] Автоматические выключатели с микропроцессорным электронным реле со… …   Справочник технического переводчика

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