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IEC 60364-4-443:1995 ed2.0

Заменен
Electrical installations of buildings - Part 4: Protection for safety - Chapter 44: Protection against overvoltages - Section 443: Protection against overvoltages of atmospheric origin or due to switching — 15 стр.
Identifies and describes the locations in electrical installations where transient overvoltages may appear; describes the means by which such overvoltages may be limited to values not exceeding the withstand impulse voltages of the equipment supplied.
ICS
91.140.50 Electricity. Including electric energy meters in buildings, emergency electrical supplies, etc. / Системы электроснабжения. Включая аварийное электроснабжение и т.д.