Ground fault circuit interrupter (gfci) with a secondary...

H - Electricity – 01 – H

Patent

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H01H 83/04 (2006.01) H01R 13/68 (2006.01)

Patent

CA 2370224

A GFCI is provided that has secondary test switch contacts. In case closing of the primary test switch contacts fails to trip the GFCI, subsequent closing of the secondary test switch contacts results in a short circuit between the AC input terminals of the GFCI. The short circuit blows a fuse disposed on the line side of the GFCI. The blowing of the fuse disables the GFCI and/or provides an indication to the user that the GFCI is defective.

Un disjoncteur de fuite à la terre est doté de contacts d'interrupteur d'essai secondaire. Si la fermeture des contacts d'interrupteur d'essai primaire ne parvient pas à déclencher le disjoncteur de fuite à la terre, la fermeture ultérieure des contacts d'interrupteur d'essai secondaire dans un court-circuit entre les bornes d'entrée de courant alternatif du disjoncteur de fuite à la terre. Le court-circuit fait sauter un fusible disposé sur le côté de ligne du disjoncteur de fuite à la terre. Le soufflage du fusible désactive le disjoncteur de fuite à la terre et/ou fournit à l'utilisateur une indication que le disjoncteur de fuite à la terre est défectueux.

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