IEC-60034-7 › Rotating electrical machines - Part 7: Classification of types of construction, mounting arrangements and terminal box position (IM Code)
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Included in this current edition are the following subparts:
EDITION 3.0 - Oct. 1, 2020
ED. 3.0 CORRIGENDUM 1 - March 1, 2023
ED. 3.0 CORRIGENDUM 1 - March 1, 2023
IEC 60034-7:2020 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: An alpha-numeric designation applicable to machines with end-shield bearing(s) and only one shaft extension
- Code II: An all-numeric designation applicable to a wider range of types of machines including types covered by Code I.
This third edition cancels and replaces the second edition, published in 1992, and its Amendment 1:2000. The main technical changes with regard to the previous edition are as follows:
- note on twin motors added
- reference to 4.3 instead of duplication of text
- new subclause on marking of shaft inclination or declination.
To find similar documents by classification:
29.160.01 (Rotating machinery in general)
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Document Number
IEC 60034-7 Ed. 3.0 b:2020
Revision Level
EDITION 3.0
Status
Current
Publication Date
Oct. 1, 2020
Committee Number
2