DIN EN IEC 60034-5-2021 旋转电机. 第5部分: 旋转电机整体设计提供的防护等级(IP 代码). 分类(IEC 60034-5-2020); 德文版 EN IEC 60034-5-2020
Rotating electrical machines - Part 5: Degrees of protection provided by the integral design of rotating electrical machines (IP code) - Classification (IEC 60034-5:2020); German version EN IEC 60034-5:2020