Historical
IEC 60034-7 Ed. 2.0 b:1992
Rotating electrical machines - Part 7: Classification of types of constructions and mounting arrangements (IM Code)
Gives two systems of classification: an alpha-numeric designation applicable to machines with endshield bearings and only one shaft extension (code I) and an all-numeric designation applicable to a wide range of types of machines (code II) including types covered by code I.
CONTENT PROVIDER
International Electrotechnical Commission [iec]
International Electrotechnical Commission [iec]