铝壳信号防雷器
适用范围：
LDY-C/RJ45/L系列以太网防雷器适用于计算机网络中的调制解调器、服务器、工作站、HUB等数据系统电子设备
LDY-C/BNC/L视频信号防雷器适用于建筑物间主干细缆、网络线路、CATV、视频监控系统等同轴传输设备
LDY-C/RJ11/L防雷器适用于电话、传真、程控交换机等设备
主要防止以上各类系统设备被雷击或工业噪声等产生的感应过电压或其它瞬间浪涌电压对系统或设备造成的永久性损坏或瞬间中断等危害。
（依据IEC61643-1和GB50343标准选用）
技术参数：
型号：LDY-C/RJ45/L
货号：808001
额定工作电压：5VDC
最大持续工作电压UC:8VDC
电压保护水平Up(线对线):45V
电压保护水平Up(线对地):500V
标称放电电流In(8/20μs):2.5kA
接线方式：RJ45
保护线路：1/2、3/6线
传输速率(bit/s):100M
插入损耗≤0.5db
诺德变频器诺德变频器诺德变频器
诺德SK500E系列的控制柜变频器有六种尺寸，输出从0.25千瓦到22千瓦。一旦设定了输出范围，无论是基本型号还是全功能型，装置的外部尺寸都完全相同。因为无论如何选择对空间的要求都一样，这给用户带来很大方便，尤其是对于功能的转换和扩展。
由于有了这些成本效益高的装置，很多普通的工业应用都能用不寻常的方式进行。所有的型号都装有制动管理、制动断路器和电源滤波器，能提供无传感器电流矢量控制、用于过程控制的PID控制器、和可转换的参数集。五个能被参数化的控制输入、两个模拟输入、一个模拟输出、以及两个继电器输出能提供众多连接选择，即使是基本模式也一样SK500E系列也能配备多种附件，例如遵循EN945-1或EN13849-1的“安全停止”（达到最大安全等级4，停止等级0和1），集成在印制电路板上的CANopen接口，TTL旋转编码器输入，更多的数码输入输出渠道，或者用于POSICON位置控制的功能包。此外，有些型号的控制板可以由外部的24伏电源供电，这样即使主电源关闭也可以存取参数数据和总线接口，这使得一些特殊应用成为可能，例如电梯的疏散运行，或不间断的在线功能。很多SK500E机型可以以冷板型（ColdPlate）出现，或者其散热装置可以安装在控制柜的外面（外热沉技术）。

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