Working Feature of Residual Rurrent Circuit Breaker

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  • 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.
  • These devices are sometimes called an ELCB or RCD.
  • Use in domestic, commercial and industrial installations.



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