EN
SR EN 60099-4:2015
Descărcătoare. Partea 4: Descărcătoare cu oxid metalic fără eclator pentru reţele de c.a.
IEC 60099-4:2014 applies to non-linear metal-oxide resistor type surge arresters without spark gaps designed to limit voltage surges on a.c. power circuits with Us above 1 kV. This third edition cancels and replaces the second edition published in 2009. This edition constitutes a technical revision. The numerous changes between the second and third editions are listed in the Foreward of the document. Keywords: testing of gapless metal-oxide surge arresters for a.c.power systems
Status :
In vigoare
Data aprobării : 30.04.2015
Număr de pagini : 363
ICS : 29.120.50 Sigurante fuzibile si alte aparate de protectie la scurtcircuit,29.240.10 Substatii. Descarcatoare
Comitet tehnic : 346 - Protecţia împotriva trăsnetului
- Inlocuieste SR EN 60099-4:2005
- Inlocuieste SR EN 60099-4:2005/A1:2007
- Inlocuieste SR EN 60099-4:2005/A2:2009