I.S. HD 448:1999被替代
Common Clauses for High-voltage Switchgear and Control Gear Standards
出版：National Standards Authority of Ireland
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基本信息
标准编号： I.S. HD 448:1999
发布时间：1999/1/29 0:00:00
标准类别：Standard
出版单位：National Standards Authority of Ireland
标准页数：114
标准简介
Applies, unless otherwise specified in relevant IEC standards, to all a.c. high-voltage switchgear and controlgear designed for indoor or outdoor installation, for operation at service frequencies up to and including 60 Hz, on systems having voltages above 1,000 V.
