首页 防火测试中心 刷新 返回 登录
EN 50085-2-3:电气装置用电缆导管和电缆管道系统.配电箱内安装的线槽电缆主干系统专门要求.第3节:配电箱内开槽
日期:2010-05-04 00:00
ectrically protective separation, of insulated conductors, cables and possibly other electrical equipment in electrical and/or communication systems installations. The maximum voltage of these installations is 1 000 V a.c. and 1 500 V d.c. These systems are intended for mounting on walls and/or ceilings. They may be embedded, installed in a flush or semi-flush state, surface mounted or mounted away from the surface using fixing devices. This standard does not apply to conduit systems, cable tray

2/3 下一页 上一页 首页 尾页

防火测试中心


返回 刷新 WAP首页 网页?/a> 登录
08/27 03:19
½ www.400ai.com www.50ppp.com www.zzz13.com ڷƱ ݷƱ Ʊ ɳ˽̽ ɳվŻ