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    • 48. 发明申请
    • ELECTRICAL CONNECTION ASSEMBLY IN AN ELECTRICAL SWITCHGEAR
    • US20190386470A1
    • 2019-12-19
    • US16440283
    • 2019-06-13
    • ABB Schweiz AG
    • Gianluca CortinovisEmanuele Morelli
    • H02B11/127H02B11/04H01H71/12H01R13/70
    • An electrical connection assembly in an electrical switchgear comprising a circuit breaker movable between a disconnected, withdrawn, position and a connected, service, position, wherein said circuit breaker comprises, for each phase, a first connection terminal couplable to/uncouplable from a corresponding second, stationary, connection terminal of said switchgear, characterized in that said electrical connection assembly comprises a first contact element electrically and mechanically connected to said first connection terminal of said circuit breaker, a second contact element electrically and mechanically connected to said second, stationary, connection terminal of said switchgear, and a third, intermediate, contact element that is electrically and mechanically connected with one of said first and second contact elements and that is electrically and mechanically couplable to/uncouplable from the other of said first and second contact elements, and further characterized in that said first and second contact elements respectively forms a first and a second contact pair with a portion of said third intermediate contact element, each of said first and second contact pair having a male contact element and a female contact element having a hollow cavity into which said male element is instertable with sliding contacts positioned at the interface between said male and female contact elements, the external surface of said female contact element having linear and curved portions devoid of any sharp edge and being symmetrical with respect to a central longitudinal axis.