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          Protection and safety
          Data & signal protection
          OVR SL LED 4-20 mA Series


          OVR SL LED 4-20 mA Series - Technical specification
          Electrical specification                           OVR SL30L/4-20
          ABB order code                                     7TCA085400R0371                                           5
          Nominal voltage  (1)                               30 V
          Maximum working voltage Uc (RMS/DC)  (2)           25 V/36.7 V
          Current rating (signal)  (3)                       75 mA
          In-line resistance (per line ±10%)                 1.0 Ω
          Series voltage drop  (4)                           1.7 V
          Bandwidth (-3 dB 50 Ω systems)                     45 MHz
          Transient specification                            OVR SL30L/4-20
          Let-through voltage (all conductors)   Up
                                    (5)
          C2 test 4 kV 1.2/50 μs, 2 kA 8/20 μs to BS EN/EN/IEC 61643-21  63.0 V
          C1 test 1 kV, 1.2/50 μs, 0.5 kA 8/20 μs to BS EN/EN/IEC 61643-21  51.3 V
          B2 test 4 kV 10/700 μs to BS EN/EN/IEC 61643-21    45.4 V
          5 kV, 10/700 μs  (6)                               46.3 V
          Maximum surge current
          D1 test 10/350 μs to      – Per signal wire        1.25 kA
          BS EN/EN/IEC 61643-21
                                    – Per pair               2.5 kA
          8/20 μs to ITU-T K.45:2003,    – Per signal wire   10 kA
          IEEE C62.41.2:2002
                                    – Per pair               20 kA
          Mechanical specification                           OVR SL30L/4-20
          Temperature range                                  -40 to +80 °C
          Connection type                                    Screw terminal - maximum torque 0.8 Nm
          Conductor size (stranded)                          4 mm 2
          Earth connection                                   Via DIN rail or 4 mm  earth terminal - maximum torque 0.8 Nm
                                                                          2
          Case material                                      FR Polymer UL-94 V-0
          Weight                    – Unit                   0.08 kg
                                     – Packaged (per 10)     0.85 kg
          Dimensions                                         See diagram below









                                                                                                            104.6 mm

                                                                    106.5 mm

                                                   7 mm    2  S  1              1  S  2  E





          (1)  Nominal voltage (RMS/DC or AC
           peak) measured at < 10 μA
          (2)  Maximum working voltage (RMS/DC or
           AC peak) measured at < 1 mA leakage
          (3)  The minimum current for LED
           indicator operation is 2 mA
          (4) At 20 mA
          (5)   The maximum transient voltage let-through of the
           protector throughout the test (±10%), line to line &
           line to earth, both polarities. Response time < 10 ns
          (6)  Test to IEC 61000-4-5:2006, ITU-T (formerly
           CCITT) K.20, K.21 and K.45, Telcordia
           GR-1089-CORE, Issue 2:2002, ANSI TIA/EIA/
           IS-968-A:2002 (formerly FCC Part 68)
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