To open a circuit automatically in the event of an earth leakage between phase and earth and/or neutral and earth. With effective protection against human contact to earth points.
Protection against Direct Contact of persons or livestock with live part.
Protection against Indirect Contact of persons or livestock with exposed conductive parts which have become live under fault conditions.
Protection against Electrical Fires caused by high resistance fault arching but not causing the over current protection device to operate.
Designed with surge current withstand capability to prevent nuisance tripping during thunderstorms. Conditionally surge current proof (3000A, 8/20us), without time delayed tripping.
These devices are sometimes called an ELCB or RCCB or RCD.
Use in domestic, commercial and industrial installations.
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