龙岗安装避雷针 避雷器
    德国DEHN避雷器，过压保护器


    DG  M  TT  2P  385  (FM)  II级SPD
    完整的预接线单元，由底座和插入式保护模块组成
    高放电能力，高通流量氧化锌压敏电阻/火花间隙
    "动态热脱扣"  SPD监测装置，高可靠性
    详细描述
    用于单相TT和TN系统("1+1"电路的模块式电涌保护器，可选遥信端子
    型号                                                                                                DG  M  TT  2P  385            DG  M  TT  2P  385  FM
    货号                                                                                              952  111                                  952  116
    SPD  依据  EN  61643-11                                                2  级                                  2  级
    SPD  依据  IEC  61643-1/-11                                        II  级                                II  级
    交流标称电压  (  UN)                                                              230  V                              230  V
    交流最大持续工作电压[L-N]  (  Uc)                            385  V                              385  V
    交流最大持续工作电压[N-PE]  (  Uc)                        255  V                              255  V
    标称放电电流(8/20  μs)  (  ln)                                        20  kA                              20  kA
    最大放电电流(8/20  μs)  (  lmax)                                    40  kA                              40  kA
    雷电冲击电流(10/350  μs)  [N-PE]  (  limp)          12  kA                              12  kA
    电压保护水平[L-N]  (  Up)                                                ≤  1.75  kV                    ≤  1.75  kV
    5kA  时，电压保护水平[L-N]  (  Up)                          ≤  1.35  kV                    ≤  1.35  kV
    电压保护水平[N-PE]  (  Up)                                              ≤  1.5  kV                      ≤  1.5  kV
    工频续流遮断能力[N-PE]  (  lfi)                                      100  Arms                            100  Arms
    响应时间[L-N]  (  tA)                                                            ≤  25  ns                        ≤  25  ns
    响应时间[N-PE]  (  tA)                                                          ≤  100  ns                      ≤  100  ns
    最大后备熔丝                                                                              125  A  gL/gG                  125  A  gL/gG