浅谈“n”型电气设备

Ex “n” Electrical Equipments

介绍了“n”型电气设备的定义、标准及检验程序要求等,并对“n”型电气产品及产品部件的设计要点进行了较详细的叙述。以便使广大防爆产品制造企业能够正确理解“n”型标准的内容,把握“n”型防爆产品的具体实质性要求,采用该防爆标准设计出性能优良的、安全性更好的“n”型防爆产品及产品部件。

This article describes the definition, standard and requirements of examination procedure for Ex‘n＇ electrical equipment. Furthermore, the author presents the design considerations of Ex‘n＇ electrical equipment and its parts with his rich experiences both in design and verification for this type of equipments. So, it is helpful for the manufacturers in corrective comprehension of Ex‘n’ stanard, and understanding of the substantial requirements for Ex ‘n’ electrical apparatus.