IEC 60364-4-442:1993+AMD1:1995+AMD2:1999 CSV ed1.2

Заменен

Electrical installations of buildings - Part 4: Protection for safety - Chapter 44: Protection against overvoltages - Section 442: Protection of low-voltage installations against temporary overvoltages and faults between high-voltage systems and earth — 43 стр.

Описание Изменения Ссылки Версии

Gives rules to ensure the safety of persons and equipment in a LV system if a fault occurs between the HV system and earth in the HV part of transformer stations which supply low-voltage systems.

Заменен на

IEC 60364-4-44:2001 ed1.0

ICS

13.260 Protection. Including tools for working with voltages / Защита от электрического удара. Работа под напряжением. Включая инструменты для работы под напряжением

91.140.50 Electricity. Including electric energy meters in buildings, emergency electrical supplies, etc. / Системы электроснабжения. Включая аварийное электроснабжение и т.д.