IEC 60034-30-1 Efficiency Classes for Low Voltage AC Motors - AVSLD International
CE/UL IEC Standard 1/3 Phase AC High Efficiency Squirrel-Cage Induction Electric Motor in 50Hz/60Hz High/Low Voltage Eff1/Eff2 Ie3/Ie4/Ie5 - China Electric Motor, AC Motor | Made-in-China.com
Save Energy with SIMOTICS Low Voltage Motors by Kah Chun Ivan Ho on Siemens Blog
Three Phase Induction IE3 Motor 2 Poles IE3-802-2 1.1KW Premium Efficiency 60Hz
IE efficiency classes for 4 pole motors at 50 Hz [21]. | Download Scientific Diagram
Efficiency class
What is EFF1, EFF2, EFF3, IE1, IE2, IE3, IE4, IE5 Motor Efficiency Class | Electrical4u