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HDU1-II20X
          电涌保护器  Surge protector device




          安装  Installation

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          ◆ 安装在 LPZ1 或 LPZ2 区与 LPZ3 区交界处采用 35mm 的标准导轨安装，连接锕质多股导线为 2.5~16mm 。
          ◆ SPD 每极必须设置保护——使用熔断器或小型断路器或专用后备保护器。
          ◆ 适用于住户配电箱、计算机设备、信息设备。电子设备及控制设备前或最近的插座箱内。
          ◆ Installed at the junction of LPZ1 or LPZ2 and LPZ3, 35mm standard rail is installed, and the multi-strand wire connecting enamel is 2.5~16mm2.
          ◆ The SPD must be protected at each pole – using a fuse or miniature circuit breaker or a dedicated backup protector.
          ◆ Applicable to household distribution boxes, computer equipment, information equipment. Electronic equipment and control equipment in front of or in the nearest
           outlet box.



          主要结构及工作原理  Main structure and working principle

          ◆ SPD 为一端口，防触电保护，户内式固定安装，电压限制型。
          ◆ SPD 内置脱离器。当 SPD 因过热、击穿失效时，脱离器能自动的将其电网上脱离，同时给出指示信号。SPD 正常工作时可视窗口显示绿色，失效脱离
           后显示红色。
          ◆ 1P+N，2P+N，3P+N 的由 1P，2P，3P 的 SPD+NPE 零地保护模块组成，应用于 TT、TN-S 等供电系统。
          ◆ SPD is a port, anti-shock protection, indoor fixed installation, voltage limited type.
          ◆ SPD built-in disconnector. When the SPD fails due to overheating and breakdown, the disconnector can automatically detach its grid and give an indication
           signal. When the SPD is working normally, the visible window displays green, and when the failure is detached, it displays red.
          ◆ 1P+N, 2P+N, 3P+N consists of 1P, 2P, 3P SPD+NPE zero ground protection module, applied to TT, TN-S and other power supply systems.



          主要技术参数  The main technical parameters

           型号规格  Model and specification                           HDU1-II20X                 HDU1-II10X
           最大持续工作电压 Uc（VAC）  Maxi continuous operating voltage  750  420  385  320  275  750  420  385  320  275
           电压保护水平 Up（kV）  Voltage protective level         2.5   1.8  1.2  1.4   1.2  2.0   1.5  1.0  1.2   1.0
           最大放电电流（8/20μs）Imax(kA) Maxi discharging current            20                         10
           标称放电电流 (8/20 s)In(kA)  Nominal discharging current         10                          5
           响应时间 ns  Response time                                                  ＜ 25
           防护等级 Protection grade                                                   IP20
           失效指示 Indication of invalidation                   老化失效：绿色正常，红色失效  Aging invalidation: green: Normal, red: invalidation
           用途  Application                                             进线三级保护  Several protection for in line
           遥信功能  Remote signal Function                                     可另配货  Can also picking
           备注  Remarks                                     最大持续工作电压 Uc 可定制  Other maxi continuous operating voltage Can be customized



          原理图及外形尺寸图  Schematic and outline drawing




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