... series electric motors conform to IEC standard, with aluminum frame or steel frame. Power range: 8~22 IEC Standard Motor Y series aluminum ... four frame sizes 63, 71, 80 and 90 conforms to IEC standard and some of NEMA standards are also taken into consideration ... high efficiency, energy saving, low noise, premium protection grade and IEC performance and mounting dimensions.Power: 60~1500 W J series ...