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    • 108. 发明申请
    • MOVABLE CONTACT ARRANGEMENT FOR A LOW-VOLTAGE CIRCUIT BREAKER WITH A PIVOT BEARING
    • 活动联系安排与一个SCHWENKLAGER低电压电源开关
    • WO1998008240A1
    • 1998-02-26
    • PCT/DE1997001868
    • 1997-08-21
    • SIEMENS AKTIENGESELLSCHAFTTÜRKMEN, Sezai
    • SIEMENS AKTIENGESELLSCHAFT
    • H01H01/22
    • H01H1/226H01H73/04
    • The invention concerns a movable contact arrangement (10) for a low-voltage circuit breaker (11). The contact arrangement comprises a contact lever carrier (12) equipped with contact levers (13), and can be moved by a drive device (21) about a pivot bearing (23) for switching on and off. Integrally formed on a main arm (24) of the contact lever carrier (12) is a bearing journal (25) which engages in a bearing opening (26) close to the inner end of a stationary conductor part (17). The bearing journal (25) is disposed approximately centrally and its length is not greater than the width of the contact arrangement (10). The bearing opening (26) is also disposed within the width of the contact arrangement (10). As a result, the width of the circuit breaker (11) is reduced, in particular for multipole configurations and, at the same time, the loading capacity and useful life of the pivot bearing (23) are improved.
    • 用于低电压电源开关(11)一种可动触点组件(10)具有与接触杆(13),其装配接触杆支撑件(12),以及用于打开和关闭可动的特征在于驱动装置(21)绕枢轴轴承(23)。 在接触杆支撑的主臂(24)(12)形成,其接合在轴承开口(26)的固定导体片(17)的内端附近的轴承销(25)上。 支承销(25)被布置成大致居中和具有的长度不大于所述接触装置(10)的宽度大。 也轴承开口(26)布置在所述接触装置(10)的宽度范围内。 以这种方式,电源开关(11)的宽度特别是在多极结构被减少,而在同一时间的强度和枢轴轴承的耐久性(23)提高。