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EVS-EN IEC 60034-7:2022

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

General information

Valid from 01.04.2022
Base Documents
IEC 60034-7:2020; EN IEC 60034-7:2022
Directives or regulations
None

Standard history

Status
Date
Type
Name
17.04.2023
Corrigendum
01.04.2022
Main
01.09.2002
Amendment
01.04.2001
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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