YS seriesthree-phase asynchronous motor has excellent starting and running performance and is simple in structure, easy to operate and maintain.
YS系列三相异步电动机有优良的启动和运行性能，结构简单，使用和维护方便；
2
It is presented that the design features of terminal box for Series YBK2 flameproof three-phase induction motor, comparing with Series YBK and a design proposal is given in this article.