inverter duty ac motor Series：YVFE3 Frequency conversion range:30hz~50hz，5hz~70hz，5hz~100hz Power range：0.75-1000kW Protection level：IP55 Application:are suitable for driving various mechanical equipment that require continuous and frequent forward and reverse rotation, such as steel rolling, lifting, transportation, machine tools, printing and dyeing, papermaking, chemicals, textiles, pharmaceuticals, etc., and can be used with various domestic and foreign variable frequency power supplies. Advantage:high efficiency, wide speed range, high precision, stable operation, and easy operation and maintenance. Certificate:installation dimensions comply with International Electrotechnical Commission (IEC) standards. Others: SKF, NSK, FAG bearings can be replaced according to customer requirements. https://www.motorxc.com/low-voltage-ac-motor/inverter-duty-ac-motor