
Low-voltage switchgear and controlgear assemblies Part 1: Type-tested and partially type-tested assemblies
出版:International Electrotechnical Committee

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基本信息
標準編號: IEC 60439-1 Ed. 4.0
發布時間:1999/9/30 0:00:00
標準類別:Standard
出版單位:International Electrotechnical Committee
標準頁數:199
標準簡介
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.
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