Page 80 - SACE Tmax XT - Technical Catalogue
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1/76             SACE TMAX XT LOW VOLTAGE MOLDED CASE CIRCUIT-BREAKERS



          —

          Characteristic curves


          Limiting curves









          690V

          XT4 V-X                                             XT5
          690V                                                690V

          Ip [kA]                                             Ip [kA]
          10 3                                                10 3






          10 2                                                10 2


                                          250 A


          10                                                   10






           1                                                   1
            1            10            10 2         10 3        1             10           10 2          10 3
                                                 x I rms [kA]                                         x I rms [kA]
          Note: XT4X starting from In=32A



          XT6                                                 XT7 - XT7 M S-H-L
          690V                                                690V

          Ip [kA]                                              Ip [kA]
          10 3                                                 10 3






          10 2                                                 10 2

                                     XT6 800-1000



          10                                                   10






           1                                                    1
            1            10            10 2          10 3       1             10           10 2          10 3
                                                  x I rms [kA]                                        x I rms [kA]
   75   76   77   78   79   80   81   82   83   84   85