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 + A1:2008, modified); German version EN 61643-21:2001 + A1:2009
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 + A1:2008, modifiziert); Deutsche Fassung EN 61643-21:2001 + A1:2009
Publication date
2010-03
Original language
German
Pages
76
Publication date
2010-03
Original language
German
Pages
76
Product information on this site:
Quick delivery via download or delivery service
Buy securely with a credit card or pay upon receipt of invoice
Please get in touch with the relevant contact person at DIN if you have problems understanding the content of the standard or need advice on how to apply it.