Standard

IEC 61643-21:2000 ED1

Revidert

Merknad: Denne standarden har en ny utgave: IEC 61643-21:2025 ED2

Forhåndsvisning

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. The contents of the corrigendum of March 2001 have been included in this copy.

Dokumentinformasjon

  • Standard fra IEC
  • Publisert:
  • Tilbaketrukket:
  • Utgave: 1
  • Versjon: 1
  • Varetype: IS
  • ICS 29.240.10
  • ISO TC TC 37/SC 37A

Produktrelasjon

Produkt livssyklus