The YE3(IE3) series three-phase differential motors comply with the IE3 energy efficiency class of the IEC60034-30:2014 standard. The installation dimensions of the YE3(IE3) series three-phase asynchronous motors comply with the IEC60034 standard. They feature a reasonable structure, attractive appearance, low noise, high protection level and high insulation level. It can be widely applied to drive various general mechanical equipment such as fans, water pumps, machine tools, compressors and transportation machinery, and can also be used in other harsh environments such as petroleum, chemical, steel and mining.