Overvoltage protection device provided with arc cutting means and corresponding method

The invention relates to a device (1) for protecting an electric installation against overvoltage comprising at least one protection component (10) provided with means for connecting to said electric installation, means for disconnecting the protection component (10) therefrom which are movable from...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	BRESCON STEPHANE,DONATI MICHEL GEORGES JEAN,LAGNOUX ALAIN RENE ROBERT
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CORONA DEVICES CURRENT COLLECTORS ELECTRIC SWITCHES ELECTRICITY EMERGENCY PROTECTIVE DEVICES GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES LINE CONNECTORS OVERVOLTAGE ARRESTERS USING SPARK GAPS RELAYS RESISTORS SELECTORS SPARK GAPS SPARKING PLUGS
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Beschreibung
Zusammenfassung:	The invention relates to a device (1) for protecting an electric installation against overvoltage comprising at least one protection component (10) provided with means for connecting to said electric installation, means for disconnecting the protection component (10) therefrom which are movable from a closed position to an open position, thereby forming an interstitial space (11) between the disconnecting and connecting means in such a way that an electric arc is formed therein. The inventive device is characterised in that it is provided with means (50) which approaches said electric arc from at least two different directions in order to reduce the cross-section thereof. Said invention is used for protecting against overvoltage.