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    • 3. 发明授权
    • Contact arrangement of a low-voltage circuit breaker with
electro-dynamic breaking
    • 具有电动断路功能的低压断路器的触点布置
    • US4845459A
    • 1989-07-04
    • US248421
    • 1988-09-23
    • Karl-Heinz MantheMartin BoettcherBernhard Pfeiffer
    • Karl-Heinz MantheMartin BoettcherBernhard Pfeiffer
    • H01H1/58H01H77/10
    • H01H77/104H01H1/5822
    • A contact arrangement of a low-voltage circuit breakeer with electrodynamic breaking or opening. In contact arrangements which contain a compression spring for pretensioning a contact lever into the make position or after a dead center position is passed, the assembly is to be simplified and the use of an assembly fixture is to be made unnecessary. The pivot bearing of a contact lever at a contact lever carrier is formed by a pan-like depression of the contact lever carrier as well as an extension of the contact lever engaging the depression. Furthermore, a stop surface for the open position of the contact lever is arranged at the contact lever carrier. A brief application of force is sufficient for connecting the contact lever to the contact lever carrier. A current-limiting low-voltage circuit breaker of compact design is thus provided.
    • 具有电动断开或断开的低压电路断路器的接触装置。 在包含用于将接触杆预拉伸到制动位置或者在死角位置通过之后的压缩弹簧的接触装置中,组装将被简化,并且不需要使用组装夹具。 接触杆托架上的接触杆的枢转轴承由接触杆托架的盘状凹陷以及与凹部接合的接触杆的延伸部形成。 此外,接触杆的打开位置的停止面布置在接触杆托架上。 力的简单施加足以将接触杆连接到接触杆托架。 因此提供了紧凑型设计的限流低压断路器。