
LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 1: GENERAL RULES
出版:Canadian Standards Association

專家解讀視頻
The aim of this standard is to harmonize as far as practicable all rules and requirements of a general nature that apply to low-voltage switchgear and controlgear so as to obtain uniformity requirements and tests throughout the corresponding range of equipment and to avoid the need to test to different standards.
IEC 60947-1 : 5.2 - Similar to