IEC 60034-12 Revised
- have a rated voltage up to 1 000 V;
- are intended for direct-on-line or star-delta starting;
- are rated on the basis of duty type S1;
- are constructed to any degree of protection and explosion protection. The main changes with respect to the previous edition are as follows:
- new design letter E for extended efficiency motors, explanation of all design letters, and description of new designs NE, NEY, HE, and HEY;
- addition of a reference to IEC 60079-7;
- addition of a formula to calculate locked rotor current from apparent power.
Technical committee
TC 2 Rotating machinery| Publication type | International Standard |
| Publication date | 2016-11-23 |
| Edition | 3.0 |
| ICS | 29.160.01 |
| Withdrawal date | 2024-05-22 |
| ISBN number | 9782832237687 |
| Pages | 29 |
| File size | 1.29 MB |
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