标准摘要
[中文适用范围]： 规定了电源电压额定值不超过 11 kV rmsac 或直流、保护类型“e”在正常情况下不产生火花、电弧或危险温度的电气设备的设计、构造、测试和标记要求手术。 [外文原描述]： Gives requirements for the design, construction, testing and marking of electrical apparatus, with a rated value of supply voltage not exceeding 11 kV r.m.s. a.c. or d.c., with type of protection 'e' that does not produce sparks, arcs, or dangerous temperatures in normal operation.
英文名称Electrical apparatus for explosive gas atmospheres - Part 7: Increased safety 'e'. Consolidated edition comprising amendments 1(1991) and 2 (1993)