Solid state telephone protector module

An individual subscriber circuit protector module employing solid state circuitry for protection against momentary voltage surges, and having firmly sensitive heat coil assemblies for protecting against continuous excess current surges. Fail-safe protection is also provided which becomes operative i...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: MEYERHOEFER, CARL, NEUWIRTH, HELMUTH, VISCONTI, PETER
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:An individual subscriber circuit protector module employing solid state circuitry for protection against momentary voltage surges, and having firmly sensitive heat coil assemblies for protecting against continuous excess current surges. Fail-safe protection is also provided which becomes operative in the event of failure of the heat coil protection.