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
標準編號： I.S. EN 61557-1:1999
發布時間：1999/1/15 0:00:00
標準類別：Standard
出版單位：National Standards Authority of Ireland
標準頁數：48
標準簡介
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.
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