Amendment

NEK EN 61643-21:2001/A1:2009

Published

Note: This standard has a new edition: NEK EN 61643-21:2001

Corrigendums and amendments are bought separately.

Language
Services

Abstract

Is applicable to devices for surge protection of telecommunications and signalling networks against indirect and direct effects of lightning or other transient overvoltages. The purpose of these SPDs is to protect modern electronic equipment connected to telecommunications and signalling networks with nominal system voltags up to 1 000 V (r.m.s.) a.c. and 1 500 V d.c.

Document information

  • Amendment from NEK
  • Published:
  • Edition: 2009-04
  • Version: 1
  • Document type: NAT
  • ICS 29.240
  • ICS 29.240.10
  • National Committee NEK/NK37

Legal references

EU law: 2014/35/EU, 2006/95/EC

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