OVERVOLTAGE PROTECTION ELEMENT

The device has connection elements (4, 5) staying in electrically conductive contact with a pole of a varistor (3) in a normal condition of an overvoltage protection element (1). A thermal expandable material (6) is arranged within a housing (2) such that position of the varistor is changed based on...

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Bibliographische Detailangaben
Hauptverfasser:	CHRIST Andreas, DEPPING Christian, MEYER Thomas, FINIS Gernot, DURTH Rainer
Format:	Patent
Sprache:	eng ; slv
Schlagworte:	BASIC ELECTRIC ELEMENTS CORONA DEVICES ELECTRIC SWITCHES ELECTRICITY EMERGENCY PROTECTIVE DEVICES GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES OVERVOLTAGE ARRESTERS USING SPARK GAPS RELAYS RESISTORS SELECTORS SPARK GAPS SPARKING PLUGS
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Beschreibung
Zusammenfassung:	The device has connection elements (4, 5) staying in electrically conductive contact with a pole of a varistor (3) in a normal condition of an overvoltage protection element (1). A thermal expandable material (6) is arranged within a housing (2) such that position of the varistor is changed based on extension of the expandable material relative to position of the connection elements during thermal overvoltage of the varistor. The pole of the varistor does not stay in electrically conductive contact with the connection elements.