... ,Processed on precision CNC machine. 2. Two- pole motor with TEFC IP54 and insulation F,high temperature resistant to180 ... ° 3. Motor reached Europe EFF2 standard,save more electricity,and more durable ... ,impulse winding test ,frequency withstand voltage test etc.for Motor . Pressure,airflow,noise test for blower 7. CE marking . Product Datas: Model ...