标准摘要
[中文适用范围]： IEC 60079的本部分给出了保护封装类型为“m”的电气设备部件和防爆组件的结构@测试和标记的具体要求。IEC 60079的本部分仅适用于封装电气设备@额定电压不超过 10 kV、相对容差为 +10% 的电气设备的封装部件和封装 Ex 组件（以下始终称为“m”设备）。本标准补充了 IEC 60079-0 中的一般要求。 [外文原描述]： IEC 60079-18:2009 gives the specific requirements for the construction, testing and marking of electrical equipment, parts of electrical equipment and Ex components with the type of protection encapsulation "m" intended for use in explosive gas atmospheres or explosive dust atmospheres. This part applies only for encapsulated electrical equipment, encapsulated parts of electrical equipment and encapsulated Ex components where the rated voltage does not exceed 11 kV. The significant technical changes with respect to the previous edition are as follows: - Incorporation of level of protection "mc" - Equipment protection levels (EPL Ma, Ga, Da, Mb, Gb, Db, Gc, Dc) - Incorporation of the dust requirements - Incorporation of switching contacts for level of protection "ma". The contents of the corrigendum of June 2009 have been included in this copy. This publication is to be read in conjunction with IEC 60079-0:2007 .
英文名称Explosive atmospheres - Part 18: Equipment protection by encapsulation "m"