Un interrupteur diff\u00e9rentiel est un appareil coupe-circuit pr\u00e9sent dans les tableaux \u00e9lectriques, qui coupe automatiquement l\u2019alimentation d\u2019un circuit \u00e9lectrique en cas de fuite de courant. Il veille \u00e0 la s\u00e9curit\u00e9 des personnes situ\u00e9es \u00e0 proximit\u00e9 des appareils en les prot\u00e9geant contre un choc \u00e9lectrique survenu, par exemple, \u00e0 la suite du contact d\u2019un fil de courant d\u00e9nud\u00e9.<\/p>\n
L\u2019interrupteur diff\u00e9rentiel mesure et compare, en continu, l\u2019intensit\u00e9 du courant entrant (par la borne phase) et celle du courant sortant (par la borne neutre) d\u2019un circuit \u00e9lectrique. Ces deux valeurs doivent \u00eatre \u00e9gales. Une diff\u00e9rence entre les deux intensit\u00e9s implique que le circuit comporte une fuite de courant. Lorsque la diff\u00e9rence est sup\u00e9rieure au seuil (sensibilit\u00e9) de l\u2019interrupteur, ce dernier interrompt le passage du courant dans le circuit prot\u00e9geant ainsi les personnes contre une \u00e9lectrisation ou une \u00e9lectrocution. S\u2019il est vrai que l\u2019interrupteur diff\u00e9rentiel prot\u00e8ge les personnes des risques li\u00e9s \u00e0 l\u2019\u00e9lectrisation, il ne d\u00e9tecte ni les surcharges ni les courts-circuits. Il doit alors \u00eatre install\u00e9 avec un disjoncteur. Ce dernier d\u00e9tecte et emp\u00eache qu\u2019une surtension, surcharge ou court-circuit endommage votre installation \u00e9lectrique et vos appareils. Le disjoncteur prot\u00e8ge donc principalement le mat\u00e9riel et le b\u00e2timent. L\u2019interrupteur diff\u00e9rentiel n\u2019a pas les m\u00eames fonctions qu\u2019un disjoncteur. Ces deux d\u2019appareils sont alors compl\u00e9mentaires.<\/p>\n
L\u2019utilisation d\u2019un interrupteur diff\u00e9rentiel sur la ligne domestique d\u2019une borne de recharge vous garantit la s\u00e9curit\u00e9 en vous prot\u00e9geant des chocs \u00e9lectriques li\u00e9s \u00e0 un \u00e9ventuel dysfonctionnement d\u2019un appareil alors que le disjoncteur prot\u00e8ge la batterie du v\u00e9hicule \u00e9lectrique, mais \u00e9galement l\u2019installation domestique contre d\u2019\u00e9ventuelles surcharges et surintensit\u00e9s.<\/p>\n","protected":false},"excerpt":{"rendered":"
Qu\u2019est-ce qu\u2019un interrupteur diff\u00e9rentiel et quel est son r\u00f4le ? Un interrupteur diff\u00e9rentiel est un appareil coupe-circuit pr\u00e9sent dans les 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