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5/12             ELECTRICAL INSTALL ATION SOLUTIONS FOR BUILDINGS   2CHC 420 001 C0201




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          Protection and safety
          OVR Type 1 surge protective devices Single pole neutral




                                    Technical features
                                    Type codes                         OVR T1 50 N
                                    with auxiliary contact (TS)                       –
  5
                                    Technology                         Gas discharge tube (GDT)
                                    Electrical features
                                    Standard                           IEC 61643-1/EN 61643-11
                                    Type/test class                    T1/I
                                    Protected lines                    1
          OVR T1 50 N               Types of networks                  TT (N-PE) / TNS (N-PE)
                                    Type of current                    AC 47-63 Hz
                                    Voltage regulation of the system   ± 10 %
                                    network
                                    Nominal voltage Un           [V]   230
                                    Maximum continuous operating   [V]  255
                                    voltage Uc
                                    Maximum impulse current Iimp   [kA]  50
                                    (10/350)
                                    Maximum impulse current Tot. Iimp   [kA]  50
                                    (10/350)
                                    Nominal discharge current In (8/20)  [kA]  25
                                    Follow current interrupting rating Ifi  [kA]  0.1
                                    Voltage protection level Up at In  [kV]  ≤ 1.5
                                    Voltage protection level Ures at 3 kA  [kV]  0.9
                                    TOV (Temporary   (L-N: 5 s /N-PE:   [V]  –/1200
                                    overvoltage)   200 ms)
                                    withstand Ut
                                    Response time                [ns]  ≤ 100
                                    Residual current IPE         [µA]  10
                                    Short-circuit withstand capability Isccr  [kA]  50
                                    Backup       Fuse (gG)       [A]   –
                                    protection
                                                 Circuit breaker    [A]  –
                                                 (B or C curve)
                                    Pluggable cartridge                No
                                    Integrated thermal disconnector
                                    State indicator                    No
                                    Safety reserve                     No
                                    Auxiliary contact                  No
                                    Installation
                                    Wire range (L, N,   Solid wire  [mm²]  2.5…50
                                    PE)
                                                 Stranded wire   [mm²]  2.5…35
                                    Stripping length (L, N, PE)  [mm]  15
                                    Tightening torque (L, N, PE)  [Nm]  3.5
                                    Auxiliary contact (TS)
                                    Contact complement                 –
                                    Minimum load                       –
                                    Maximum load                       –
                                    Connection cross-section     [mm²]  –
                                    Miscellaneous characteristics
                                    Stocking and operating temperature  [°C]  -40 to +80
                                    Maximal Altitude             [m]   2000
                                    Degree of protection               IP20
                                    Fire resistance according to UL 94  V-0
                                    Dimensions   height x width x   [mm]  85 x 35.6 x 64.8
                                                 depth           [inches]  3.35 x 1.40 x 2.55
                                    with auxiliary   height x width x   [mm]  –
                                    contact (TS)  depth          [inches]  –
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