标准摘要
[中文适用范围]： IEC 60079 的本部分包含针对爆炸性气体环境中使用的粉末填充“q”保护类型的电气设备、电气设备零件和 Ex 组件的构造、测试和标记的具体要求。 [外文原描述]： Contains specific requirements for the construction, testing and marking of electrical equipment, parts of electrical equipment and Ex components in the type of protection powder filling "q", intended for use in explosive gas atmospheres. The significant changes with respect to the previous edition are: all requirements for third-party certification removed; requirements for external connections added; all requirements for cable glands deleted as they have been transferred to 60079-0; specific requirements for cells and batteries introduced; added relaxation requirements on required faults for fuse-protected equipment and added requirements for instructions.
英文名称Explosive atmospheres - Part 5: Equipment protection by powder filling "q"