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IEC 60364-4-443:1990 ed1.0
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
21 стр.
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65.52 CHF (включая НДС 20%)
Разработчик:
Зарубежные/IEC
ICS:
91.140.50 Electricity. Including electric energy meters in buildings, emergency electrical supplies, etc. / Системы электроснабжения. Включая аварийное электроснабжение и т.д.