1,High efficiency, Energy-saving 2,Low noise, Little vibration 3,Power supply 380V,660V,50/60Hz 4,Cooling method: IC411 ... general application. Its frame central heightAdvantages:high efficiency, low energy consumption, little noise, light weight,small bulk,excellent ... 660V 50Hz three phaseConnection way: Y below 3kw Triangle above 4kw IEC STANDARD Y Series energy saving motor with flange pan ...