标准名称:BS EN 61557-5-2007 1000V交流和1500V直流低压配电系统电气安全.保护措施测试、测量或监测设备.接地电阻
标准格式:PDF
标准大小:220.89 KB
标准状态:现行
推荐等级:★★★★
授权方式:免费下载
解压密码:www.biaozhuns.com
更新日期:2011年10月26日
内容简介
BS EN 61557-5-2007
Electrical safety in low
voltage distribution
systems up to
1 000 V a.c. and
1 500 V d.c. —
Equipment for testing,
measuring or
monitoring of
protective measures —
Part 5: Resistance to earth
Electrical safety in low
voltage distribution
systems up to
1 000 V a.c. and
1 500 V d.c. —
Equipment for testing,
measuring or
monitoring of
protective measures —
Part 5: Resistance to earth
下载地址