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Low Voltage Distribution

Medium Voltage Distribution

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Power Transformer

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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

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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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Jubang science and technology park, wei16 road, leqing economic development zone, zhejiang province

phone：+86577 62799786
fax：+86577 62799771
Email：jubanggroup@163.com
web：www.mccb.cn
Customer service hotline：400 8099 777

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