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IEC 60034-9:1990 ed2.0
Rotating electrical machines. Part 9: Noise limits.
19 стр.
Заменен
Электронный (pdf)Печатная копия
65.52 CHF (включая НДС 20%)
Разработчик:
Зарубежные/IEC
ICS:
17.140.20 Noise emitted by machines and equipment / Шум от машин и оборудования
Описание
Specifies maximum permissible A-weighted sound power levels for rotating electrical machines complying with IEC 34-1, with methods of cooling according to IEC 34-6 and degrees of protection according to IEC 34-5.