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    • 9. 发明公开
    • INSTALLATIONSSCHALTGERÄT MIT EINER DOPPELUNTERBRECHUNG
    • 具有双重中断安装控制单元
    • EP2087500A2
    • 2009-08-12
    • EP07856411.9
    • 2007-12-06
    • ABB AG
    • MÜLLER, RalfHUSTERT, FrankNIEWÖHNER, GuidoGÖBEL, CorellBURCKHARDT, RalphKOMMERT, RichardGERTH, Thorsten
    • H01H71/24
    • H01H71/2409H01H73/045
    • The invention relates to an installation switchgear (1) with at least one pole current path (2), said switchgear comprising two fixed contact pieces (5, 6) and two mobile contact pieces (8, 9) arranged on a mobile contact bridge (7), forming a pole switch with two contacts and a double break. The contact bridge (7) is acted upon by a pusher (12) in the opening direction (O) and by a contact pressure spring (11) in the closing direction. The two contacts are closed in the connected state, and in the event of a short circuit, the contact bridge is pushed in the opening direction thereof and the pusher is moved into its trigger position in which it acts on the contact bridge in order to open same. Said switchgear is also provided with an electromagnetic tripping device (13), the armature of which releases the latching position of a switch latch (15) in the event of a short-circuit, such that the switch latch maintains the pusher (12) in the trigger position thereof by means of an actuating lever (17) which lags in relation to the pusher (12) and moves from the idle position into the disconnected position thereof. The contact bridge (7) is thereby permanently held open against the force of the contact pressure spring (11). The installation switchgear (1) comprises a control slide (30) mounted in such a way that it can be displaced between a release position and a locking position and, in its locking position, maintains the pusher in the trigger position thereof. The movement of the actuating lever from its idle position into its disconnected position causes the control slide to move from its locking position into its release position such that the pusher (12) is released from the trigger position thereof.
    • 10. 发明公开
    • ELEKTRISCHES INSTALLATIONSGERÄT
    • ELEKTRISCHESINSTALLATIONSGERÄT
    • EP1929500A1
    • 2008-06-11
    • EP06791794.8
    • 2006-09-02
    • ABB AG
    • CLAEYS, PatrickBECKER, JoachimWEBER, RalfKOMMERT, Richard
    • H01H77/06H01H77/10H01H71/52
    • H01H77/10C08L2201/12H01H71/52H01H77/06H01H2300/034
    • The invention proposes an electrical switching device, comprising a contact lever (13), which is mounted approximately centrally such that it can rotate, wherein a movable contact piece (12) is arranged at the free end of the first arm (15), and the free end of the second arm (16) is coupled to a rotatable toggle switch (22). A contact pressure spring (18) acts on the free end of the first arm (15) approximately in the direction of the longitudinal extent of the contact lever (13). An actuator (19) is provided which acts on the contact lever (13) so as to open it in the region between the axis of rotation (14) of the contact lever (13) and the moveable contact piece (16) and which may be mechanically coupled to the moveable contact lever (13) or the moveable contact piece (16).
    • 本发明提出了一种电气开关装置,该电气开关装置包括接触杆(13),该接触杆大致居中地安装使得其能够旋转,其中可动接触件(12)布置在第一臂(15)的自由端处,并且 第二臂(16)的自由端连接到可旋转的拨动开关(22)。 接触压力弹簧(18)大致在接触杆(13)的纵向范围的方向上作用在第一臂(15)的自由端上。 提供致动器(19),其作用在接触杆(13)上,以便在接触杆(13)的旋转轴线(14)和可动接触件(16)之间的区域中将其打开,并且可以 机械地连接到可动触头杠杆(13)或可动接触件(16)。