... 2,smooth turning 3,low noise 4,easy maintenance three-phase motor,induction motor,aluminum motor1,high starting torque2, ... smooth turning3,low noise4,easy maintenanceY series three-phase electric motors is a kind of totally enclosed ... metersRated voltage: 380V, 400V, 415VRated frequency: 50Hz or 60HzConnection: Star-connection for motors 3KW and lower output power Delta-connection ...