1:IEC standard,obtained CCC,CE,CQC 2:years of motors history,high quality 3:explosion-proof 4:Protection class:IP55 ... YB2 series explosion-proof motors production description: 1: Type :YB2-80M1-2---YB2-355L1-102 ... explosion-proof three phase squirrel cage three phase induction motors, totally enclosed and fan cooled .With high quality,high efficiency, ...