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Medium Voltage Distribution

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Power Transformer

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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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