1,High efficiency, Energy-saving 2,Low noise, Little vibration 3,Power supply 380V,660V,50/60Hz 4,Cooling method: ... construction and a general application. Its frame central heightAdvantages:high efficiency, low energy consumption, little noise, light weight ... 15-+40 degreeVolt: 380V/415V/525V/660V 50Hz three phaseConnection way: Y below 3kw Triangle above 4kw Y Series three phase 75hp electric motor