Endring

NEK EN 61643-21:2001/A2:2013

Publisert

Merknad: Denne standarden har en ny utgave: NEK EN 61643-21:2001

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

  • Endring fra NEK
  • Publisert:
  • Utgave: 2013-01
  • Versjon: 1
  • Varetype: NAT
  • National Committee NEK/NK37
  • ICS 29.240
  • ICS 29.240.10

Referanser i lov

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

Produktrelasjon