3phase 4wire current limiting protector JGFH-125JS  is a comprehensive protector with a variety of protection functions such as overvoltage, undervoltage, overcurrent, leakage, phase loss, and lack of zero, and the advantages of product modularization, intelligence, visualization, etc., while supporting the standard Modbus485 communication protocol, all protection parameters such as overvoltage, undervoltage, and overcurrent protection can be set according to the power demand to ensure that overvoltage, undervoltage, and overcurrent occur in the line

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三相四线限流保护器 JGFH-125JS 

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3phase 4wire current limiting protector JGFH-125JS  is a comprehensive protector with a variety of protection functions such as overvoltage, undervoltage, overcurrent, leakage, phase loss, and lack of zero, and the advantages of product modularization, intelligence, visualization, etc., while supporting the standard Modbus485 communication protocol, all protection parameters such as overvoltage, undervoltage, and overcurrent protection can be set according to the power demand to ensure that overvoltage, undervoltage, and overcurrent occur in the line

产品介绍


3phase 4wire current limiting protector JGFH-125JS 
三相四线限流保护器 JGFH-125JS

三相四线限流保护器 JGFH-125JS  is a comprehensive protector with a variety of protection functions such as overvoltage, undervoltage, overcurrent, leakage, phase loss, and lack of zero, and the product is modular, intelligent, visualized, etc., and supports the standard Modbus485 communication protocol, and all protection parameters such as overvoltage, undervoltage, and overcurrent protection can be set according to the power demand, so as to ensure that overvoltage, undervoltage, overcurrent, leakage current, short circuit, phase loss, etc. occur in the line. In the event of a failure such as a lack of zero, the protector can instantly cut off the power supply to protect the electrical equipment from damage.

工作条件


1.首次正常通电延时 20 秒并自动合闸;首次通电时如出现过压、欠压、过流、漏电等情况,产品将在 3 秒内自动断开;

2.环境温度不超过 +40 °C,不低于 -5 °C,24 小时平均温度不超过 +35 °C;在 +40 °C,环境空气湿度不超过 50%。

3.安装地点的海拨高度不得超过 2000 米。

4.污染等级 III.

5.安装环境中无爆炸危险介质,无腐蚀性、绝缘性气体和导电粉尘,无雨雪侵袭。

3phase 4wire current limiting protector JGFH-125JS of arameters


a.1 次 操作时间可在 1 至 120 秒之间调整,默认为 5 秒;

b.1.1 倍的行动时间小于 0.1 秒;

c.过电压保护值 AC265V 的设置范围为 210-300V、

动作时间为 0.1 秒,设置范围为0.1-10 秒;

d.欠压保护值 AC170V 设置为 120-200V、

动作时间为 0.1 秒,设置范围为0.1-10 秒;

e.三相不平衡的默认值为 P000,即关闭状态;

f.过电流设置范围

JGFH-125JS/125 型:32 至 125A

JGFH-250JS/250 型号:100 至 250A

JGFH-400JS/400 型号:160 至 400A

g.剩余电流保护值的设置范围:1 至 1000mA,默认为 75mA,动作时间小于 0.1 秒

辅助接线图和外部尺寸


 

 


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