FLS Blower Feature: Motor reached Urope EFF2 Class,Durable High ... 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 ... impulse winding test ,frequency withstand voltage test etc.for Motor . Pressure,airflow,noise test for blower 7. CE ...