EN 61643-21:2001-07

Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks; Performance requirements and testing methods (IEC 61643-21:2000 + Corrigendum 2001)

German title: Überspannungsschutzgeräte für Niederspannung - Teil 21: Überspannungsschutzgeräte für den Einsatz in Telekommunikations- und signalverarbeitenden Netzwerken; Leistungsanforderungen und Prüfverfahren (IEC 61643-21:2000 + Corrigendum 2001)
Publication date: 2001-07
Original language: English

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This document has been modified by: EN 61643-21/A1:2009-04,EN 61643-21/A2:2013-01

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