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    • 8. 发明申请
    • FAULT CIRCUIT INTERRUPTING DEVICE HAVING SYMMETRICAL INPUTS
    • 具有对称输入的故障电路中断装置
    • WO2010059427A2
    • 2010-05-27
    • PCT/US2009/063255
    • 2009-11-04
    • LEVITON MANUFACTURING COMPANY, INCDISALVO, NicholasPORTER, James
    • DISALVO, NicholasPORTER, James
    • H02H3/00H02H9/08
    • H01H83/04H02H3/338
    • There is disclosed a circuit interrupting device with symmetrical inputs comprising a first input configured for connection to a power source or a load circuit and a second input configured for connection to a power source. There are a plurality of electrical conductors extending from the first and second inputs and a third input configured for connection to a load provided by a user. There is also a first set of transformers comprising at least one differential transformer and at least one neutral transformer connected to detect leakage current in a load circuit coupled to the first set of terminals. There is also a second set of transformers comprising at least one additional differential transformer and at least one additional neutral transformer connected to detect leakage current in a load circuit coupled to the second set of terminals
    • 公开了一种具有对称输入的电路中断装置,其包括被配置为连接到电源或负载电路的第一输入和被配置用于连接到电源的第二输入。 存在从第一和第二输入端延伸的多个电导体和被配置为连接到由用户提供的负载的第三输入。 还存在第一组变压器,其包括至少一个差分变压器和至少一个中性点变压器,其连接以检测耦合到第一组端子的负载电路中的泄漏电流。 还有第二组变压器,包括至少一个额外的差动变压器和连接的至少一个额外的中性点变压器,以检测耦合到第二组端子的负载电路中的泄漏电流