- THREE-PHASE ELECTRICAL MOTORS2026-03-04IE4 Series Three-Phase Asynchronous Motors- Compliance & Standards: Meets IE4 energy efficiency level per IEC60034-30-1:2014; mounting dimensions conform to IEC60034.- Key Features: Rational structure, aesthetic appearance, low noise, high protection class, high insulation grade.- Typical Applications: Fans, pumps, machine tools, compressors, conveying machinery, and general industrial equipment.- Harsh Environment Suitability: Petroleum, chemical, iron & steel, mining, and other demanding industrial settings.