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    Low Voltage Distribution

    Medium Voltage Distribution

    Electrical Equipment

    Power Transformer

    Solution
    GTB1 Series Self-restoring Under Voltage Protector
    Rated main circuit current
    Rated current
    20A, 25A, 32A, 40A, 50A, 63A
    The rated voltage
    Application
    GTB1 series since the recovery after undervoltage protector when power lines appear over voltage or under voltage protector can continued high voltage impulse voltage or under voltage, safe to cut off the circuit, to prevent abnormal voltage caused by accidents, restore normal value when the voltage, the protector will automatically connect circuits within the given time, to ensure normal operation of terminal apparatus in the case of unattended, at the same time can also meet the pv voltage protection applications.
    This product conforms to the enterprise standard of Q/ jb018-2017 self-recovery overvoltage protector.
    Technical specification
    Rated working voltage Ue:AC230V
    Rated frequency :50Hz
    Rated impulse withstand voltage Uimp: 4kV
    Rated current In: 20A, 25A, 32A, 40A, 50A, 63A
    Overvoltage protection value: AC275±5%
    Overpressure recovery: AC250±5%
    Undervoltage protection value: AC175±5%
    Undervoltage recovery value: AC190±5%
    After over-voltage protection, when the voltage returns to normal, the on-delay time: 1min ± 20s
    Starting time: 1min±20s
    Download
    点击下载 附件：GTB1系列自恢复式过欠压保护器(简).pdf    大小： 1.77MB 下载： 次
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