公开(公告)号：US20160079026A1

公开(公告)日：2016-03-17

申请号：US14855349

申请日：2015-09-15

Applicant: ABB FRANCE

Inventor： Boris GAUTIER ,  Malvina CLAVERIE

IPC: H01H85/055 ,  H02H9/00

CPC classification number: H01H85/055 ,  H01H9/36 ,  H01H85/38 ,  H01H85/547 ,  H01H2085/0486 ,  H01H2085/383 ,  H02H9/005

Abstract: The present invention relates to a cut-off member intended to be electrically series-connected to an electric circuit comprising a device for protecting an electric installation against lightning, the cut-off member (1) comprising: a first conducting armature (7) electrically connected to a first coupling terminal (3) to the electric circuit and a second conducting armature (9) electrically connected to a second coupling terminal (5) for coupling to the electric circuit; at least one fuse element (11) disposed between the first conducting armature (7) and the second conducting armature (9) and electrically connected to the first conducting armature (7) and to the second conducting armature (9), the at least one fuse element (11) being arranged to melt when it is crossed by a current of a threshold intensity over a threshold period of time; a device for increasing a peak arc voltage (15) between the first conducting armature (7) and the second conducting armature (9) in the case of melting of the at least one fuse element (11).

Abstract translation: 本发明涉及一种用于电连接到电路的切断构件，包括用于保护电气装置免受雷击的装置，所述切断构件（1）包括：第一导电衔铁（7），电气 连接到电路的第一耦合端子（3）和电连接到用于耦合到电路的第二耦合端子（5）的第二导电电枢（9） 设置在所述第一导电衔铁（7）和所述第二导电衔铁（9）之间并电连接到所述第一导电电枢（7）和所述第二导电电枢（9）的至少一个熔丝元件（11），所述至少一个 保险丝元件（11）布置成当在阈值时间段上与阈值强度的电流交叉时熔化; 在所述至少一个熔丝元件（11）的熔化的情况下，用于增加所述第一导电衔铁（7）和所述第二导电衔铁（9）之间的峰值电弧电压（15）的装置。