标准摘要
[中文适用范围]： 适用于低压开关设备和控制设备组件（经过型式试验的组件（TTA）和部分型式试验的组件（PTTA）），其额定电压不超过1000V交流，频率不超过1000Hz，或1 500 V dc 2004 年 11 月勘误的内容已包含在本副本中。该合并版本由第四版（1999年）及其修正案1（2004年）组成。因此，无需对本出版物进行修订。 [外文原描述]： Applies to low-voltage switchgear and controlgear assemblies (type-tested assemblies (TTA) and partially type-tested assemblies (PTTA)), the rated voltage of which does not exceed 1 000 V a.c. at frequencies not exceeding 1 000 Hz, or 1 500 V d.c. The contents of the corrigendum of November 2004 have been included in this copy. This consolidated version consists of the fourth edition (1999) and its amendment 1 (2004). Therefore, no need to order amendment in addition to this publication.
英文名称Low-voltage switchgear and controlgear assemblies - Part 1: Type-tested and partially type-tested assemblies