The YBC series is a new generation of products that have a wider range of applications, higher protection levels, better technical performance, compact structure, energy efficiency, and can meet environmental protection requirements. This product has the advantages of excellent manufacturing, light weight, high efficiency and energy saving, low vibration, low noise, strong reliability, long service life, and easy installation and maintenance. The explosion-proof performance of this series of motors meets the requirements of GB3836.1-2010 "Explosive Environments Part 1: General Requirements", GB3836.2-2010 "Explosive Environments Part 2: Equipment Protected by Explosion proof Enclosures", and MT/476-2011 "Explosion proof Three phase Asynchronous Motors for Cutting Parts of YBC Series Coal Mining Machines", and is made into explosion-proof Exd Ⅰ, which is suitable for driving motors for cutting parts of coal mining machines in underground working faces.