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1. 发明申请

US20120182095A1 INSTALLATION SWITCHING DEVICE 失效
标题翻译：安装开关装置
公开(公告)号：US20120182095A1
公开(公告)日：2012-07-19
申请号：US13353796
申请日：2012-01-19
申请人： Joachim WENDEL , Roland Ritz , Joachim Becker , Ralf Weber
发明人： Joachim WENDEL , Roland Ritz , Joachim Becker , Ralf Weber
IPC分类号： H01H75/00
CPC分类号： H01H77/108 , H01H71/2418 , H01H71/2454 , H01H71/40 , H01H73/045
摘要： An installation switching device which rapidly disconnects short-circuit currents is provided. A contact lever is arranged at least partially in an air gap in a magnetic circuit such that, in case of a short circuit, the interaction between current flow and magnetic flux within the air gap can result in an electrodynamic force effect, which leads to rapid opening of at least one contact point. A switching mechanism acts via a first operating connecting line on the contact lever to open the contact point and/or to keep it open. In case of overcurrent tripping, an overcurrent release acts, by a switching mechanism and via a second operating connecting line, on the switching mechanism to open the contact point and keep it open. In case of short-circuit tripping, the contact lever acts via a third operating connecting line on the switching mechanism to keep the contact point open.
摘要翻译：提供了快速断开短路电流的安装开关装置。接触杆至少部分地布置在磁路中的气隙中，使得在短路的情况下，电流和气隙内的磁通之间的相互作用可导致电动力效应，这导致快速打开至少一个接触点。切换机构通过接触杆上的第一操作连接线作用，以打开接触点和/或保持接触点打开。在过电流跳闸的情况下，过电流释放通过开关机构和第二操作连接线在开关机构上作用，以打开接触点并保持开路。在短路跳闸的情况下，接触杆通过开关机构上的第三个操作连接线作用，以保持接触点打开。

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