标准摘要
[中文适用范围]： 给出了保护封装类型为“m”的电气设备、电气设备部件和防爆元件的构造、测试和标记的具体要求。仅适用于封装电气设备、封装 [外文原描述]： Gives the specific requirements for the construction, testing and marking of electrical apparatus, parts of electrical apparatus and Ex components with the type of protection encapsulation "m". Only applies for encapsulated electrical apparatus, encapsulated parts of electrical apparatus and encapsulated Ex components ("m" apparatus) where the rated voltage does not exceed 10 kV with a relative tolerance of +10 %.
英文名称Electrical apparatus for explosive gas atmospheres - Part 18: Construction, test and marking of type of protection encapsulation "m" electrical apparatus