IEC 60034-9:1990/COR1:1991

IEC 60034-9:1990/COR1:1991

May 1990
International standard Cancelled

Corrigendum 1 - Rotating electrical machines. Part 9: Noise limits

Main informations

Collections

International IEC standards

Publication date

May 1990

Number of pages

0 p.

Reference

IEC 60034-9:1990/COR1:1991

Print number

2
Replaced standards (1)
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.

Standard replaced by (1)
IEC 60034-9:1997
July 1997
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 60034-1, having methods of cooling according to IEC 60034-6 and degrees of protection according to IEC 60034-5 and having a rated output from 1kW up to 5500kW with a speed limited to 3750 r/mn

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