BS EN IEC 61643-21:2026-TC

Tracked Changes. Low voltage surge protective devices. Surge protective devices connected to telecommunications and signalling networks. Requirements and test methods.

NORM herausgegeben am 28.1.2026

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The information about the standard:

Designation standards: BS EN IEC 61643-21:2026-TC
Publication date standards: 28.1.2026
The number of pages: 250
Approximate weight : 781 g (1.72 lbs)
Country: British technical standard
Kategorie: Technische Normen BS

Annotation of standard text BS EN IEC 61643-21:2026-TC :

ISBN: 978 0 539 40577 4 Status: Definitive