发明名称 Apparatus for Monitoring the State of an Electrical Switching Device
摘要 An electrical switching device has a state indicator which is covered or uncovered in accordance with the state of the switching device. In order to reduce the amount of moved masses, the state indicator remains in a resting position during a switching process of the electrical switching device. The state indicator can be covered at least in part by the movable switching contact pieces of the electrical switching device, for example.
申请公布号 US2008105524(A1) 申请公布日期 2008.05.08
申请号 US20050664493 申请日期 2005.09.20
申请人 SIEMENS AKTIENGESELLSCHAFT 发明人 OLSZEWSKI WOJCIECH;SCHMIDT PETER
分类号 H01H9/16 主分类号 H01H9/16
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