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    • 11. 发明公开
    • Electrical switching apparatus and secondary trip mechanism therefor
    • ElektrischesSchaltgerätundSekundärauslösungsmechanismusdafür
    • EP2549499A1
    • 2013-01-23
    • EP12005269.1
    • 2012-07-18
    • Eaton Corporation
    • Schaltenbrand, Brian JohnGottschalk, Andrew LawrenceTanner, Brandy Lamar
    • H01H3/30H01H9/24
    • H01H9/24H01H3/3015
    • A secondary trip mechanism is provided for an electrical switching apparatus, such as a circuit breaker. The circuit breaker includes a housing, separable contacts enclosed by the housing, and an operating mechanism for opening and closing the separable contacts. The operating mechanism includes a poleshaft, a latch assembly, and a trip D-shaft for unlatching the latch assembly in response to a trip condition. The secondary trip mechanism includes a trip D-shaft assembly disposed on the trip D-shaft, and a link assembly. The link assembly includes a linking member having opposing first and second ends. The first end cooperates with the poleshaft. The second end cooperates with the trip D-shaft assembly. When the poleshaft moves in response to a trip condition, the linking member transmits movement of the poleshaft into movement of the trip D-shaft assembly. An electrical switching apparatus is also disclosed.
    • 为诸如断路器的电气开关装置提供二次跳闸机构。 断路器包括壳体,由壳体包围的可分离触点,以及用于打开和关闭可分离触点的操作机构。 该操作机构包括一个极轴,一个闩锁组件和一个跳闸D轴,用于响应于一个跳闸状态来解锁闩锁组件。 二次脱扣机构包括设置在行程D轴上的行程D轴组件和连杆组件。 连杆组件包括具有相对的第一和第二端部的连接构件。 第一端与极轴配合。 第二端与行程D轴组件配合。 当极轴响应于跳闸状态而移动时,连接构件将极轴的运动传递到跳闸D-轴组件的运动。 还公开了一种电气开关装置。