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Residual Current Operated Circuit Breakers RCCB 4pole 300mA/63A buy in Ampang Jaya
Buy Residual Current Operated Circuit Breakers RCCB 4pole 300mA/63A
Residual Current Operated Circuit Breakers RCCB 4pole 300mA/63A

Residual Current Operated Circuit Breakers RCCB 4pole 300mA/63A

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Malaysia, Ampang Jaya
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Technical characteristics
  • BrandCIRCUIT
Description
* 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 (250A, 8/20us), without time delayed tripping. * These devices are sometimes called an ELCB or RCD. * Use in domestic, commercial and industrial installations. Principle of operation In the event of a short to earth the residual current operating system to prevent shock hazard voltage from remaining on the body of an electrical equipment. For this purpose, the residual current device monitor the difference between the loads flowing through it and ensures that it is aproximately zero. If, as a result of an earth fault, this difference exceeds the circuit breaker's residual operating current rating ln, then the RCCB will trip and disconnect the circuit of faulty equipment. (refer to Chart 1) Additional protection in the event of direct contact In order to provide additional protection in the event of a direct contact with (unearthed) live components, extremely sensitive RCCBs with a rated residual operating current of 30mA or less are used in place of more conventional RCCBs with higher residual operating current ratings. This additional is necessary if :- - The insulation of shockproof equipment or their leads is defective. - The earth wire is interrupted. - The earth and live wires have been transposed accidentally thus rendering live on the body of a device. - A component which is live in normal operation is touched during repairs. In the case of installation of equipment in areas with particularly high accident risk such as socket outlet circuits in bathrooms , power and lighting point for aquarium & fish pond.
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Residual Current Operated Circuit Breakers RCCB 4pole 300mA/63A
Residual Current Operated Circuit Breakers RCCB 4pole 300mA/63A
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