[国际电工委员会] IEC 61557-11-2020 Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC – Equipment for

[复制链接]
查看1861 | 回复5 | 2020-8-10 15:29 | 显示全部楼层 |阅读模式
IEC 61557-11-2020 Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC – Equipment for testing, measuring or monitoring of protective measures – Part 1 1 : Effectiveness of residual current monitors (RCM) in TT, TN and IT systems
共34页
1.png


IEC61557-11-2020.pdf (887.43 KB)

评分

参与人数 1麦粒 +20 收起 理由
麦田 + 20 分享标准最好带上封面图与页数.

查看全部评分

使用道具 举报