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Earth Continuity Relay

P/N: 174845

Earth continuity protection is provided using pilot earth loop or earth continuity monitoring.


The ECM3 (P/N: 174845) has been designed to provide earth continuity protection for cables containing pilot cores. In practical applications, environmental factors often prevent an earth continuity protection system from complying with both requirements of AS/NZS 2081 and AS/NZS 4871.

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