... , reliable operation Y Series three-phase induction motorINTRODUCTION Y Series motor is totally enclosed and fan cooling, three-phase squirrel cage induction motor, it is newly ... machinery and food machines, etc. Notes: The Y connection for motor of 3 kW and below ,and delta connection for 4kW ... class: Class B / Class FRated frequency: 50Hz / 60Hz Y series three-phase induction motor