YB3 series explosion-proof three-phase induction motor is designed as updating product on the existing YB2,YB series.This series is made according to GB3836.1-2010“Explosive environment part 1:General requirements for equipment”,GB3836.2-2010“Explosive environment part 2:Equipment protected by explosion-proof enclosure
the sites with explosive air mixture. ExdIMb can be used for environment under the coal mine with explosive mixture of methane or coal dust. For explosive environment under temperature group T1,T2,T3,T4, ExdIIAT4Gb is applicable to factories class II grade A and ExdIIBT4Gb applicable to factories class II grade B