YE4 series high efficiency three phase asynchronous motors implement GB/T 28575 YE4 Series  Three Phase Asynchronous Motors Technical Specifications (frame size 80-450). The efficiency meets or exceeds  GB 18613 Medium and Small Three Phase Asynchronous Motors Efficiency Minimum Limit Values and Efficiency Level, consistent with IE4 efficiency level in international standard IEC60034-30. This series have features as high efficiency, save energy, low running cost, low noise and vibration, liable running. The products are applied to various machines that have no special requirements . 

This series of products are designed 380V, 50 HZ, IP55, cooling method IC411, Self Fan cooling, insulation Class F with Class B temperature rise. The power range 0.75KW to 375KW,  they can constantly run at ambient temperature range -15℃ to 40℃, the users can customize for various voltages 400V, 415V, 440V, 660V and various frequency 60HZ,  various installation methods B3,B5,B35, V1, B14, B6,B7,V5,V6,V15,V36 .