CEI EN IEC 60034-7 PDF

This part of IEC 60034 specifies the IM Code, a classification of types of construction, mounting arrangements and the terminal box position of rotating electrical machines.

Two systems of classification are provided as follows:

– Code I (see Clause 4): An alpha-numeric designation applicable to machines with endshield bearing(s) and only one shaft extension.

– Code II (see Clause 5): An all-numeric designation applicable to a wider range of types of machines including types covered by Code I.

The type of machine not covered by Code II is fully described in words.

The relationship between Code I and Code II is given in Annex A.