Standard

NEK IEC 60034-9:1990

Withdrawn

Note: This standard has a new edition: NEK IEC 60034-9:2021

Corrigendums and amendments are bought separately.

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Abstract

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.

Document information

  • Standard from NEK
  • Published:
  • Withdrawn:
  • Edition: 2.0
  • Version: 1
  • Document type: NAT
  • Pages
  • ICS 17.140.20
  • National Committee TC 2

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