标准号:IEC 60621-2-1987 
实施状态:作废 
中文名称:户外严酷条件下(包括露天矿和采石场)用电气设施 第2部分:一般防护要求 
英文名称:Electrical installations for outdoor sites under heavy conditions (including open-cast mines and quarries); part 2: general protection requirements 
发布日期:1987 
代替标准:IEC 60621-2-1978;IEC 60621-2 AMD 1-1984;IEC 60621-2 AMD 2-1986;IEC 60621-2A-1981 
采用标准:BS 6907-2-1988,MOD;UNE 21621-2-1996,IDT;GOST R 50020.2-1992,IDT 
起草单位:IEC/TC 71 
标准简介:Describes protective measures intended to ensure the safety of persons from electric shock in normal service and in case of fault. Gives particular requirements with regard to TN, TT and IT system earthing. This second edition cancels and replaces the fi 
文件格式:PDF 
文件大小:5.18MB 
文件页数:107 
(以上信息更新时间为:2019-11-25) 
 
 
IEC 60621-2-1987 户外严酷条件下(包括露天矿和采石场)用电气设施 第2部分_一般防护要求.pdf
(5.18 MB)
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