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5/56             ELECTRICAL INSTALL ATION SOLUTIONS FOR BUILDINGS   2CHC 420 001 C0201




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          Protection and safety
          OVR Type T2-T3 pluggable QuickSafe® surge protective devices
          TNC - 230 V 3Ph + N networks


          Technical features
          Types                                             OVR T2-T3 3L 20-275 P QS
          with auxiliary contact (TS)                       OVR T2-T3 3L 20-275 P TS QS
  5
          Technology                                        Varistor + GDT
          Electrical features
          Standard                                          IEC 61643-11/EN 61643-11 / UL 1449 4th Ed
          Type/test class                                   T2-T3/II-III
          Protected lines                                   3
          System network                                    TNC
          Type of current                                   AC 47-63 Hz
          Voltage regulation of the system network          ± 20 %
          Nominal system voltage Un (L-PE/L-L)        [V]   230/400
          Max. cont. operating voltage Uc (L-PE/L-L)  [V]    275/440
          Nominal dc voltage Un dc L-PE               [V dc]  320
          Max. dc. cont. operating voltage Ucdc L-PE  [V dc]  355
          Maximum discharge current Imax (8/20)       [kA]  20
          Nominal discharge current In (8/20)         [kA]  5
          Total Current                               [kA]  60
          Voltage protection level Up at In (L-N/N-PE /L-PE)  [kV]  0,85/-/-
          Voltage protection level Ures at 3kA        [kV]  0.8
          Voltage protection level Ures at 5kA        [kV]  0.85
          Voltage protection level Ures at 10kA       [kV]  1.0
          TOV (Temporary overvoltage) withstand Ut (L-N: 5s./N-PE:   [V]  337/-
          200ms)
          Uoc                                         [kV]  6
          Response time                               [ns]  ≤ 25
          Short-circuit withstand capability Isccr    [kA]  100
          Backup protection maximum   fuse (gG)       [A]   ≤ 125
          rating                circuit breaker (B or C curve)  [A]  ≤ 125
          Pluggable cartridge                               Yes
          Integrated QuickSafe® technology                  Yes
          State indicator                                   Yes
          Safety reserve                                    No
          Auxiliary contact                                 Yes (TS option)
          Installation
          Wire range (L, N, PE)  solid wire           [mm²]  2.5 ... 35
                                stranded wire         [mm²]  2.5 ... 25
          Stripping length (L, N, PE)                 [mm]  12.5
          Tightening torque (L, N, PE)                [Nm]  2.8
          Auxiliary contact (TS)
          Contacts information                              1 NO - 1 NC
          Min. load                                         12 DC - 10 mA
          Max. load                                         250 V AC - 1A
          Connection cross-section                    [mm²]  1.5
          Miscellanous characteristics
          Stocking and operating temperature          [°C]  -40 to +80
          Maximal Altitude                            [m]   5000
          Degree of protection                              IP 20
          Fire resistance according to UL 94                V0
          Dimensions
          height x width x depth                      mm    88 x 53.4 x 65.3
                                                      inches  3.46 x 2.1 x 2.57
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