These series motors have many virtues, including beautiful Profile, high efficiency and energy saving, class F insulated. YX3 Series High-Efficiency Asynchronus Motor1, Ambient temperature: -15 °C ~40 °C 2, Altitude: Altitude should be higher than 1000 metres above sea level.3, Rated voltage: 380V, 400V, 415V, 440V.4, Rated frequency: 50Hz, 60Hz.5, Connection: Y Star-connection for6, 3kw or less ...