Ревидиран
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.
ПОВУЧЕН
IEC 60034-9:1972 ED1
ПОВУЧЕН
IEC 60034-9:1990 ED2
99.60
Повлачење ступило на снагу
30. 7. 1997.
ПОВУЧЕН
IEC 60034-9:1990/AMD1:1995 ED2
ПОВУЧЕН
IEC 60034-9:1997 ED3