IEC 60034-9:1972
IEC 60034-9:1972

IEC 60034-9:1972

January 1972
International standard Cancelled

Rotating electrical machines - Part 9: Noise limits

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.

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Main informations

Collections

International IEC standards

Publication date

January 1972

Number of pages

16 p.

Reference

IEC 60034-9:1972

Print number

1
Sumary
Rotating electrical machines - Part 9: Noise limits

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.
Standard replaced by (1)
IEC 60034-9:1990/COR1:1991
IEC 60034-9:1990/COR1:1991
June 1990
International standard Cancelled
Corrigendum 1 - Rotating electrical machines. Part 9: Noise limits

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