BS EN IEC 60034-7:2022 – TC 2023
$186.33
Tracked Changes. Rotating electrical machines – Classification of types of construction, mounting arrangements and terminal box position (IM Code)
| Published By | Publication Date | Number of Pages |
| BSI | 2023 | 92 |
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.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 1 | 30455190 |
| 65 | A-30387398 |
| 66 | National foreword |
| 68 | European foreword |
| 70 | FOREWORD |
| 73 | 1 Scope 2 Normative references 3 Terms and definitions |
| 74 | 4 Code I (alpha-numeric designation) 4.1 Designation of machines with horizontal shafts |
| 76 | 4.2 Designation of machines with vertical shafts |
| 78 | 4.3 Terminal box location 5 Code II (all-numeric designation) 5.1 Designation |
| 79 | 5.2 Significance of the first numeral 5.3 Significance of the fourth numeral 5.4 Significance of the second and third numerals |
| 80 | 5.5 Terminal box location 5.6 Examples of designations 5.7 Inclination or declination of shaft |
| 90 | Annex A Relationship between Code I and Code II |
| 92 | Bibliography |
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