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Earth leakage relay range

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article image Leakage protection on circuits up to 1800A.

NHP Electrical Engineering Products has released the RD earth leakage relay range, offering earth leakage protection on circuits up to 1800A with an adjustable trip current from 30mA to 30A.

NHP Terasaki earth leakage relays are used for earth fault protection of equipment and limitation of touch voltages where automatic disconnection of supply is required.

Ground (earth) fault detection is generally required when the fault loop impedance is at such a level that the over-current device (circuit breaker) does not achieve automatic disconnection within the time prescribed in the wiring rules.

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