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IEC 60034-7:2020

Rotating electrical machines - Part 7: Classification of types of construction, mounting arrangements and terminal box position (IM Code)

General information
Valid from 07.10.2020
Directives or regulations
None
Standard history
Status
Date
Type
Name
07.10.2020
Main
27.02.2001
Main
22.09.2000
Amendment
18.12.1992
Main
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.
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