1,High efficiency, Energy-saving 2,Low ... 4,Cooling method: IC411 Principle:Y series three-phase induction motors are designed according to national standard ... and a general application. Its frame central heightAdvantages:high efficiency, low energy consumption, little noise, light ... /415V/525V/660V 50Hz three phaseConnection way: Y below 3kw Triangle above 4kw Y Series three phase 75hp electric motor