IEC 61557-1 : 2019现行
Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. – Equipment for testing, measuring or monitoring of protective measures Part 1: General requirements
出版：International Electrotechnical Committee
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基本信息
标准编号： IEC 61557-1 : 2019
标准类别：Standard
出版单位：International Electrotechnical Committee
标准页数：0
标准简介
This part of IEC 61557 specifies the general requirements applicable to measuring and monitoring equipment for testing the electrical safety in low-voltage distribution systems with nominal voltages up to 1 000 V AC and 1 500 V DC
本标准替代的旧标准
