... , 2,4, 6, 8p, IP44,54 class F insulation YR series (IP44) motors are 3-phase asynchronous motors with a wound ... and in connecting the electric shaftto drive synchronously. The series motors are sealed motors and the protection grade IP44 The rated frequency ... S1(continous running). Connection mode: (3KW.Y);Rotor Y. The series motors have a lot of advantages such as high efficiency ...