I.S. EN 61557-1:1999被替代
Electrical Safety In Low Voltage Distribution Systems Up To 1 Kv A.c. And 1,5 Kv D.c. - Equipment For Testing, Measuring Or Monitoring Of Protective Measures - General Requirements
出版：National Standards Authority of Ireland
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基本信息
标准编号： I.S. EN 61557-1:1999
发布时间：1999/1/15 0:00:00
标准类别：Standard
出版单位：National Standards Authority of Ireland
标准页数：48
标准简介
Gives the general requirements for measuring and monitoring equipment for testing the electrical safety in low voltage distribution systems with nominal voltages up to 1000 V a.c. and 1500 V d.c.
替代本标准的新标准
