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IEC 61643-21:2025 | 20 Oct 2025 | BSI Knowledge
Standard
IEC 61643-21:2025
Low voltage surge protective devices - Surge protective devices connected to telecommunications and signalling networks. Performance requirements and testing methods
Current
•
Published:
20 Oct 2025
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Product Details
Descriptors
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ICS Codes
29.240.10 Substations. Surge arresters
Committee
PEL/37
International relationships
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ISBN
978-2-8327-0741-8
Publisher
IEC