Overvoltage protective module

Details Overvoltage protective module Overvoltage protective module

H - Electricity

01

H

H01H 85/48 (2006.01) H01T 4/06 (2006.01) H02H 3/20 (2006.01)

Patent

CA 2236701

The invention relates to an overvoltage protective module comprising a base body made of plastic with embedded contact strips, overvoltage suppressors arranged on the top of the base body and provided with fuse elements, and contact springs which hold the overvoltage suppressors and the fuse elements on the basebody and are used to make contact with the contact strips when a fuse element softens in response to an overvoltage. In order to simplify the structure of such an overvoltage protective module, the contact springs are formed on a spring comb which can be clamped onto the top of the base body and whose web, which holds the contact springs, has at least one spring contact for making contact with a ground conductor.

Cette invention concerne un dispositif de protection contre les surtensions constitué par un corps en plastique avec bandes de contact encastrées, des éléments de suppression des surtensions disposés sur le dessus du corps en plastique et comportant des fusibles, et des lames de contact maintenant les éléments de suppression des surtensions et les fusibles sur le corps en plastique et assurant le contact avec les bandes de contact lorsqu'un fusible ramolli sous l'effet d'une surtension. Afin de simplifier le dispositif, les lames de contact sont disposées sur un peigne qui se pose sur le dessus du corps en plastique et dont l'axe, auquel sont fixées les lames, comporte au moins une lame de contact destinée à une mise à la terre.

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