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    ELEKTRONISCHER MOTORSTARTER MIT SCHUTZ-UND ÜBERWACHUNGSFUNKTION
    2.
    发明公开
    ELEKTRONISCHER MOTORSTARTER MIT SCHUTZ-UND ÜBERWACHUNGSFUNKTION 审中-公开

    公开(公告)号：EP3408907A1

    公开(公告)日：2018-12-05

    申请号：EP17702077.3

    申请日：2017-01-27

    申请人： Eaton Intelligent Power Limited

    发明人： MEID, Wolfgang

    IPC分类号： H02H3/00 ,  H02H7/08

    CPC分类号： H02H7/08 ,  H02H3/006

    摘要： The invention relates to an electronic motor starter (10), comprising a main switch (1) configured as a power semiconductor, which forms a semiconductor protection and has at least one semiconductor switch for switching a phase of a main power supply of a motor winding, wherein a first connection of each semiconductor switch is connected to a corresponding first main current contact (L1-L3) of the motor starter (10), an auxiliary switch (2) configured as a semiconductor switch and connected between at least one pair of auxiliary contacts (11, 12, 13, 14) of the motor starter, an electronic transducer unit (3) for measuring the currents of the phases of the main power supply, which is connected between a second connection of each semiconductor switch of the main switch (1) and a corresponding second main power contact (T1-T3) of the motor starter (10), and an electronic control unit (4) for the main switch (1) and the auxiliary switch (2), which is powered via control contacts (A1, A2) of the motor starter (10), and to which measurement signals of the transducer unit (3) are fed, and which is configured to control the main switch (1) and/or the auxiliary switch (2) according to the supply via the control contacts (A1, A2) and/or according to the measurement signals.