IEC 61643-21:2000/AMD1:2008 :
IEC 61643-21:2000/AMD1:2008 : 1446947
IEC 61643-21:2000/AMD1:2008 :
Title: Amendment 1 - Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods
Pages: 41
Year:
Publisher: International Electrotechnical Commission
Availability: Within 1-2 working days IEC will directly send the standards to End-User after our confirmation.
Title: Amendment 1 - Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods
Pages: 41
Year:
Publisher: International Electrotechnical Commission
Availability: Within 1-2 working days IEC will directly send the standards to End-User after our confirmation.
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