YL series three-phase asynchronous motors are designed and manufactured in accordance with JB/ t1011-2007 standards and drawing on the advantages of similar products in the world. They are characterized by simple structure, safe operation, convenient maintenance and excellent technical and economic indicators.This series complies with the relevant regulations recommended by the international electrotechnical commission, and the corresponding relation between the frame number and the capacity grade refers to the relevant industrial standards in west Germany.