标准摘要
[中文适用范围]： 包含本质安全电气系统的构造和评估的具体要求，保护类型为“i”，旨在整体或部分用于 II 组爆炸性环境中。供设计师使用 [外文原描述]： Contains the specific requirements for construction and assessment of intrinsically safe electrical systems, type of protection "i", intended for use, as a whole or in part, in explosive atmospheres in Group II locations. Intended for use by the designer of the system who may be a manufacturer, a specialist consultant or a member of the end-user's staff. The contents of the Interpretation Sheet 1 of May 2023 have been included in this copy.
英文名称Electrical apparatus for explosive gas atmospheres - Part 25: Intrinsically safe systems