Structural Characteristics ：YS serial motor is a totally enclosed structure and are applied 220V、50HZ power source.The protective grade of casing is IP44.This series adopts insulating material with grade B or F.Its winding is characterized ,with perfect insulating property and mechanical strength.The five basic installation type are as follows:B3、B34、B14、B5、B35.Please see the table for overall dimension size.