ELECTRIC CURRENT SWITCHING APPARATUS

    公开(公告)号:CA2874364A1

    公开(公告)日:2013-12-19

    申请号:CA2874364

    申请日:2013-05-24

    Applicant: ABB OY

    Abstract: The invention relates to an electric switch mounting arrangement comprising a housing (102) and a stationary contact (110, 112) to be mounted to an aperture (103, 203) in a wall of the housing(102). The arrangement comprises compensation means within the interior area of the aperture (203) for allowing stationary contacts of two different sizes (110, 210, 310) to be mounted to the aperture (103, 203), which compensation means comprises one or more projections (109, 209) formed on the housing (102) or the stationary contact and/or one or more recess- es (318) formed on the housing (102) or stationary contact for receiving the one or more projections.

    ELECTRIC CURRENT SWITCHING APPARATUS

    公开(公告)号:CA2874363A1

    公开(公告)日:2013-12-19

    申请号:CA2874363

    申请日:2013-05-21

    Applicant: ABB OY

    Abstract: The invention relates to a movable contact for an electric switch, comprising a first contact blade (131) and a second contact blade (132). Each of the first contact blade (131) and the second contact blade (132)comprises an assembly hole (132A), the movable contact comprising an assembly pin (138) wherein the assembly pin (138) comprises a separation portion (138A) having a diameter greater than the assembly holes (132A) of the first (131) and second (132) contact blades thereby keeping the first (131)and second (132) contact blades separated from each other, the assembly pin (138) comprising a contact blade portion (138B, 138C) on each side of the separation portion (138A) for insertion to the assembly holes (132A) of the contact blades (131, 132).

    ELECTRIC CURRENT SWITCHING APPARATUS

    公开(公告)号:CA2870117A1

    公开(公告)日:2013-10-17

    申请号:CA2870117

    申请日:2013-04-08

    Applicant: ABB OY

    Abstract: An electric switch, comprising a movable contact (108, 10, 112) and a stationary contact (104, 106) for being contacted by the movable contact(108, 110, 112), the switch further comprising one or more quenching plates (122), and a permanent magnet (132) for directing an arc, that is formed when the contacts are separated from each other, to the quenching plate (122).The quenching plate (122) has a base portion (464) and side portions (468, 470) extending away from the base portion (464), and the permanent magnet (132) is arranged such that the arc is directed towards one of the side portions (468, 470) of the quenching plate (122).

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