... vibrancy and low noise.5, Y2 series (IP54) motor has the maximum efficiency, while the loading rate at about 75%.(2) Y2 series ... (IP54) three-phase asynchronous motor’s application conditions:1, The ambient temperature shouldn’t surpass 40°C, and not ... , Rating frequency is 50HZ.5, Rating voltage is 380V.6, Work system is S (continuing system) 7, Cooling mode is ICO14 ...