CONTACT SYSTEM

An electrical switching device including at least a nominal contact arrangement, the nominal contact arrangement at least a first nominal contact with a plurality of nominal contact fingers forming a finger cage concentric with respect to a longitudinal axis (z), and at least a mating second nominal...

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Bibliographic Details
Main Authors KOSTOVIC, Jadran, PISU, Francesco, SUTHERLAND, Timothy, KOTILAINEN, Sami
Format Patent
LanguageEnglish
French
German
Published 04.01.2017
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRIC SWITCHES
ELECTRICITY
EMERGENCY PROTECTIVE DEVICES
RELAYS
SELECTORS
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Summary:An electrical switching device including at least a nominal contact arrangement, the nominal contact arrangement at least a first nominal contact with a plurality of nominal contact fingers forming a finger cage concentric with respect to a longitudinal axis (z), and at least a mating second nominal contact. An arcing contact arrangement including a first arcing contact and a mating second arcing contact. An arcing contact finger including at its free end a first impact area in which a first contacting to the second arcing contact occurs when closing, the electrical switching device. The first impact area is formed by a first planar surface arranged at an inclination angle (α) larger than zero degrees with respect to the longitudinal axis (z).
Bibliography:Application Number: EP20130792292