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Protection and safety
Data & signal protection
OVR SL 3-Wire Series

OVR SL 3-Wire Series - Technical specification
Electrical specification OVR SL06/3W OVR SL15/3W OVR SL30/3W OVR SL50/3W OVR SL110/3W
ABB order code 7TCA085400R0328 7TCA085400R0330 7TCA085400R0331 7TCA085400R0332 7TCA085400R0329 5
Nominal voltage (1) 6 V 15 V 30 V 50 V 110 V
Maximum working voltage Uc (RMS/DC) (2) 5 V/7.79 V 11 V/16.7 V 25 V/36.7 V 40 V/56.7 V 93 V/132 V
Current rating (signal) 500 mA
In-line resistance (per line ±10%) 1.0 Ω
Bandwidth (-3 dB 50 Ω system) 45 MHz
Transient specification OVR SL06/3W OVR SL15/3W OVR SL30/3W OVR SL50/3W OVR SL110/3W
Let-through voltage (all conductors) Up
(3)
C2 test 4 kV 1.2/50 μs, 2 kA 8/20 μs to 36.0 V 38.4 V 63.0 V 90.3 V 185 V
BS EN/EN/IEC 61643-21
C1 test 1 kV, 1.2/50 μs, 0.5 kA 8/20 μs to 26.2 V 29.4 V 51.3 V 77.2 V 175 V
BS EN/EN/IEC 61643-21
B2 test 4 kV 10/700 μs to BS EN/EN/IEC 16.0 V 26.8 V 45.4 V 68.3 V 165 V
61643-21
5 kV, 10/700 μs (4) 17.0 V 27.5 V 46.3 V 69.1 V 170 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 – Per signal wire 10 kA
K.45:2003, IEEE – Per pair 20 kA
C62.41.2:2002
Mechanical specification OVR SL06/3W OVR SL15/3W OVR SL30/3W OVR SL50/3W OVR SL110/3W
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 (OVR SL15/3W, OVR SL30/3W, OVR SL50/3W,
OVR SL110/3W) and < 200 μA (OVR SL06/3W)
(2) Maximum working voltage (RMS/DC or
AC peak) measured at < 1 mA leakage
(3) 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
(4) 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)