... IEC GB 2low noise,little vibration 3high efficiency,low price 4superior life,easy miantenance Production description: 2.3kw ac motor Y3 series ... ,such as high efficiency ,energy saving,high starting torque,low noise,slight vibration,reliable operation and easy maintenance,etc.3)applicationY3 ... -connection for 4Kw and aboveIP44, IP54B/F IC0141 2.3kw ac motor