Electric power distribution unit for buildings

Details Electric power distribution unit for buildings Electric power distribution unit for buildings

H - Electricity

02

H

H02H 3/08 (2006.01) G08B 17/06 (2006.01)

Patent

CA 2225753

An electrical circuit breaker unit (10) has an isolator switch (14), a residual current device (16) for sensing a current imbalance, and circuit breakers (18) for sensing current overload. A thermal sensor (22) is mounted within the casing (12) of the unit and triggers the RCD (16) to automatically disconnect the supply if the temperature in the unit rises significantly above ambient, such as might be caused by overheating due to a bad connection in the circuit breaker unit.

Un ensemble (10) formant coupe-circuit électrique comporte un interrupteur-séparateur (14), un interrupteur de protection contre les courants de court-circuit (16) pour détecter un déséquilibre de courant, et des coupe-circuits (18) pour détecter une surcharge de courant. Un capteur thermique (22) est fixé dans le boîtier (12) de l'ensemble. Ce capteur déclenche l'interrupteur de protection contre les court-circuits (16) pour déconnecter automatiquement l'alimentation lorsque la température dans cet ensemble augmente de manière significative et excède la température ambiante, comme cela peut se produire en cas de surchauffe due à une mauvaise connexion dans le coupe-circuit.

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