Page 59 - SACE Tmax XT - Catalogue
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PROTECTION TRIP UNITS                                                            3/25



















                                                                                                                       03



          Ekip M DIP I
          ABB code  Protection Function  Threshold               Trip Time                     Trip Curve
          I      Short-circuit    I3 = Off – 1 – 1.5 – 2 – 2.5 – 3 – 3.5 – 4.5 - 5.5 –  t3 ≤ 15ms for XT2-XT4  t=k
                                  6.5 – 7 – 7.5 – 8 – 8.5 – 9 – 10 x In  t3 ≤ 20ms for XT5-XT6
                                                                 t3 ≤ 30ms for XT7
          Ekip M DIP LIU
          ABB code  Protection Function  Threshold               Trip Time                     Trip Curve
          L      Overload         I1 = 0.4...1 x In with steps of 0.04  Operating Class for XT2-XT4:   t=k/I 2
                                                                 5E - 10E - 20E
                                                                 Operating Class for XT5-XT6:
                                                                 5E - 10E - 20E - 30E
          I      Short-circuit    I3 = 6 – 7 – 8 – 9  - 10 – 11 – 12 - 13 x In  t3 ≤ 15ms for XT5-XT4  t=k
                                                                 t3 ≤ 20ms for XT5-XT4
                                                                 t3 ≤ 30ms for XT7
          U      Phase loss       ON/OFF                         When ON. t6 = 2s              t=k
                 (IEC 60947-4-1)



          Ekip G DIP LS/I
          ABB code  Protection Function  Threshold               Trip Time                     Trip Curve
          L      Overload         I1 = 0.4...1 x In with steps of 0.04  t1 at 3 x I1 = 3 - 6s  t=k/I 2
          S      Selective short-circuit I2 = Off – 1 – 1.5 – 2 – 2.5 – 3 – 3.5 – 4.5 - 5.5 –  t2 = 0.05 - 0.075 - 0.1 - 0.2  t=k
                                  6.5 – 7 – 7.5 – 8 – 8.5 – 9 – 10 x In  at 10 x In when t = k/I2  t = k or t = k /I   for XT7
                                                                                                        2
          I      Short-circuit    I3 = Off – 1 – 1.5 – 2 – 2.5 – 3 – 3.5 – 4.5 - 5.5 –  t3 ≤ 20ms  t=k
                                  6.5 – 7 – 7.5 – 8 – 8.5 – 9 – 10 x In  t3 ≤ 30ms for XT7
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