引用第1楼wuybpujr于2008-06-02 22:08发表的 :: J4 Q/ x1 m5 C& g+ z s) A
看CAN/CSA22.2 No。60065的9.1.1.1下面的叙述:
For CLASS I constructions the r.m.s. TOUCH-CURRENT to earth shall not be more than 3,5 mA.
The measurement shall be carried out with the measurement network described in annex D of
this standard and with the protective earthing connection disconnected.
引用第3楼wuybpujr于2008-06-03 21:28发表的 :. o9 N# s6 l: m# F
IEC标准,对1类它是3.5MA,对2类它是0.7MA,已经大了很多了!
欢迎光临 安规网 (http://bbs1.angui.org/) | Powered by Discuz! X3.2 |