- 专利标题： A RESIDUAL CURRENT DEVICE FOR LOW VOLTAGE ELECTRIC LINES
-
申请号： EP21159202.7申请日： 2021-02-25
-
公开(公告)号： EP4050349A1公开(公告)日： 2022-08-31
- 发明人: Butti, Agostino , Curra, Antonio , Rigamonti, Francesco
- 申请人： ABB Schweiz AG
- 申请人地址： CH 5400 Baden Bruggerstrasse 66
- 代理机构： De Bortoli, Eros
- 主分类号： G01R19/20
- IPC分类号： G01R19/20 ; H02H3/33
摘要：
An electronic device for a LV electric line including one or more conductors comprising a sensing stage adapted to detect the presence of residual currents in said electric line. Said sensing stage includes an innovative electronic arrangement to detect the presence of internal fault conditions in said electronic device.
信息查询
