Standard

NEK EN 61643-21:2001

Publisert

Rettelser og tillegg kjøpes separat.

Språk
Tjenester

Omfang

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.

Dokumentinformasjon

  • Standard fra NEK
  • Publisert:
  • Utgave: 1
  • Versjon: 1
  • Varetype: NAT
  • ICS 29.240
  • ICS 29.240.10
  • National Committee NEK/NK37

Referanser i lov

EU lov: 73/23/EEC

Produktrelasjon