IEC 60034-9:1972
Rotating electrical machines - Part 9: Noise limits

Standard No.

IEC 60034-9:1972

Release Date

1970

Published By

SCC

Status

Be replaced

Replace By

IEC 60034-9:1972/COR1:1972

Latest

IEC 60034-9:2021 CMV

Replace

1972-01-01

Scope

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.

IEC 60034-9:1972 history

• 0000 IEC 60034-9:2021 CMV
• 2007 IEC 60034-9:2003/AMD1:2007 Rotating electrical machines - Part 9: Noise limits; Amendment 1
• 2007 IEC 60034-9:2007 Measurement of airborne noise emitted by rotating electrical machines and the noise limits -Part 3:Noise limits
• 2003 IEC 60034-9:2003 Rotating electrical machines - Part 9: Noise limits
• 1997 IEC 60034-9:1997 Measurement of airbore noise emitted by ratating electrical machines and the noise limits-Part 3: Noise limits
• 1970 IEC 60034-9:1990/AMD1:1995 Amendment 1 - Rotating electrical machines. Part 9: Noise limits.
• 1970 IEC 60034-9:1990/COR1:1991 Corrigendum 1 - Rotating electrical machines. Part 9: Noise limits
• 1990 IEC 60034-9:1990 Rotating electrical machines; part 9: noise limits
• 1970 IEC 60034-9:1972/COR1:1972 Corrigendum 1 - Rotating electrical machines - Part 9: Noise limits
• 1970 IEC 60034-9:1972 Rotating electrical machines - Part 9: Noise limits