Rotating electrical machines - Classification of types of construction, mounting arrangements and terminal box position (IM Code)
Rotating electrical machines - Classification of types of construction, mounting arrangements and terminal box position (IM Code)
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Rotating electrical machines - Classification of types of construction, mounting arrangements and terminal box position (IM Code)

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1   Scope

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 end-shield 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.