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防雷箱 我有新说法
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  防雷箱是一种防雷击设备,主要安装在配电房、配电柜、交流配电屏、开关箱和其它重要设备容易遭受雷击设备的电源进线处,以保护设备免遭沿电源线路侵入的雷击过电压造成的损害。

1主要类型

  常见的是电源防雷箱,电源防雷箱主要有密封式电源防雷箱,开门式电源防雷箱,防爆型电源防雷箱,配电式电源防雷箱,矩阵式电源防雷箱等。

  按使用环境可分为:室外电源防雷箱和室内电源防雷箱。

  按照连接方式可分为:串联型和并联型。

  注:所有的防雷箱都必须有可靠的接地!

2产品特点

  电源工作独立指示;

  防雷失效指示;

  劣化报警及指示; 雷击自动计数功能;

  远程接口,主开关状态远程指示(可选);

  双电源供电系统、上下均可进出线结构(配电式防雷箱有此功能);

  采用防水、防火、防潮箱体。

3应用范围

  防雷箱模块采用电压开关型模块和电压限制型模块(或一体化MOV)组成。主要安装在配电房、配电柜、交流配电屏、开关箱和其它重要设备、容易遭受雷击设备的电源进线处,以保护设备免遭沿电源线路侵入的雷击过电压造成的损害;可广泛应用于通信、电力、交通、金融、铁路、民航等系统的主电源防护。

  ·复合型电源防雷箱广泛应用于通信、电力、厂矿、金融、民航、铁路等系统的主电源防雷击及过电压保护;

  ·建筑物总配电屏,配电柜,配电箱,须安装级防雷设施的环境;

  ·无人执守但须安装级带遥信指示的防雷设备的环境; 需要有级防雷失效指示及报警指示及雷电泄放记录环境;

  ·小面积但要求两级电涌保护的环境。

4种类区别

  模块式避雷器的优点:

  1、便宜,单个模块约几百元;

  2、小巧,体积与小型空气开关相当;

  3,安装方便,使用标准导轨安装;

  箱式避雷器的优点:

  1、防火比模块式的好,特别是用于无人值守的基站这一点特别重要;

  2、部分性能高于模块式,特别是串联式,其限制电压较低,防浪涌电压的效果好得多。

参考资料

参考资料编辑区域


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