IEC 60034-9:1990 ED2

Rotating electrical machines. Part 9: Noise limits.

Publication date:   May 31, 1990

General information

99.60   Withdrawal effective   Jul 30, 1997

IEC

TC 2

International Standard

17.140.20   Noise emitted by machines and equipment

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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.

Life cycle

PREVIOUSLY

WITHDRAWN
IEC 60034-9:1972 ED1

NOW

WITHDRAWN
IEC 60034-9:1990 ED2
99.60 Withdrawal effective
Jul 30, 1997

CORRIGENDA / AMENDMENTS

WITHDRAWN
IEC 60034-9:1990/AMD1:1995 ED2

REVISED BY

WITHDRAWN
IEC 60034-9:1997 ED3