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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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