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IEC 60034-7 Ed. 3.0 b:2020

Rotating electrical machines - Part 7: Classification of types of construction, mounting arrangements and terminal box position (IM Code)
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IEC 60034-7 Ed. 3.0 b:2020

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

PUBLISH DATE 2020
PAGES 54
IEC 60034-7 Ed. 3.0 b:2020

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

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.
SDO IEC: International Electrotechnical Commission
Document Number IEC 60034
Publication Date Oct. 1, 2020
Language b - English & French
Page Count
Revision Level 3.0
Supercedes
Committee 2
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