INTRODUCTION
1 Scope
2 Normative references
3 Terms, definitions and symbols
3.1 Terms and definitions
3.2 Symbols
4 Fields of application (informative)
5 Efficiency
5.1 Determination
5.1.1 General
5.1.2 Rated voltages, rated frequencies and rated output
5.1.3 Auxiliary devices
5.2 Rating
5.3 Classification and marking
5.3.1 General
5.3.2 Efficiency classification
5.3.3 Motors below standard efficiency
5.3.4 Marking
5.4 Nominal efficiency limits
5.4.1 Interpolation
5.4.2 Nominal limits for Standard Efficiency (IE1)
5.4.3 Nominal limits for High Efficiency (IE2)
5.4.4 Nominal limits for Premium Efficiency (IE3)
Bibliography
Annex ZA (normative) - Normative references to international
publications with their corresponding European
publications