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IEC 60099-4 ED4

Surge arresters - Part 4: Metal-oxide surge arresters without gaps for a.c. systems IEC 60099-4 ED4

General information

20.99   WD approved for registration as CD   Aug 20, 2024

CD    Sep 30, 2027

IEC

TC 37

International Standard

29.120.50   Fuses and other overcurrent protection devices | 29.240.10   Substations. Surge arresters

Life cycle

PREVIOUSLY

PUBLISHED
IEC 60099-4:2014 ED3

NOW

IN_DEVELOPMENT
IEC 60099-4 ED4
20.99 WD approved for registration as CD
Aug 20, 2024




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