BS EN IEC 61643-21:2026 Low voltage surge protective devices. Surge protective devices connected to telecommunications and signalling networks - Requirements and test methods
Publication Year
2026
Document Status
Current
Abstract
Provides details for the classification, void, marking, service conditions, performance, safety, and testing requirements for surge protection devices.
Document History
Supersedes BS EN 61643-21:2001+A2:2013. Identical to IEC 61643-21:2025.
Publisher Information
British Standards Institution
With over 100 years of experience the British Standards Institute is recognised as the UK’s National standards body. Their committees work with the manufacturing and service industries, government, businesses and consumers to facilitate the production of British, European and International standards.
