I.S. HD 448S4 (Duplicate Record)被替代
Common Clauses For High-voltage Switchgear And Control Gear Standards
出版：National Standards Authority of Ireland
专家解读视频
基本信息
标准编号： I.S. HD 448S4 (Duplicate Record)
标准类别：Standard
出版单位：National Standards Authority of Ireland
标准页数：0
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.
替代本标准的新标准
