Detailed Product Description YB2 series asynchronous three-phase flameproof induction motor,has features as high efficiency,low noise ... as applied to imported equipment. YB2 series has rated voltage 380V,660V.380/660V,rated frequency 50Hz,enclosure protection IP55 ... develop special induction motors as customer`s requirments,for various voltage,various frequency,various mounting mode,such as 220V,440V, ...