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BS EN IEC 61643-21:2026

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

General Information

Status : Definitive
Standard Type: Main
Document No: BS EN IEC 61643-21:2026
Document Year: 2026
Pages: 92
  • Section Volume:
  • GBM23 Telecommunications (GMB23)
  • GBM19 Electrical Accessories & Special Equipment (GMB19)
  • GBM20 Electric Lamps, Power Generation, Distribution & Storage (GMB20)
  • ICS:
  • 29.120.50 Fuses and other overcurrent protection devices
  • 29.240.10 Substations. Surge arresters
  • 33.040.30 Switching and signalling systems

Life Cycle

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Definitive
BS EN IEC 61643-21:2026
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