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Protection and safety
Data & signal protection
OVR SL X Series

OVR SL X Series - Technical specification
Electrical specification OVR SL15X OVR SL30X
ABB order code 7TCA085400R0386 7TCA085400R0387 5
Nominal voltage (1) 15 V 30 V
Maximum working voltage Uc (RMS/DC) (2) 11 V/16.7 V 25 V/36.7 V
Current rating (signal) 750 mA
In-line resistance (per line ±10%) 1.0 Ω
Bandwidth (-3 dB 50 Ω system) 45 MHz
Intrinsically safe specification OVR SL15X OVR SL30X
Maximum voltage Ui 30 V
Maximum power Pi – Per -40 °C < Ta < 40 °C 1.3 W
– Per -40 °C < Ta < 60 °C 1.2 W
– Per -40 °C < Ta < 80 °C 1.0 W
Capacitance Ci 0 μF
Inductance Li 0 μH
Certificate number IECEx SIR 10.0030X, Sira 10ATEX2063X
Classification Ex II 2 (1) G, Ex ia (ia Ga) IIC T4 Gb
Transient specification OVR SL15X OVR SL30X
Let-through voltage (all conductors) Up
(3)
C2 test 4 kV 1.2/50 μs, 2 kA 8/20 μs to BS EN/EN/IEC 61643-21 38.4 V 63.0 V
C1 test 1 kV, 1.2/50 μs, 0.5 kA 8/20 μs to BS EN/EN/IEC 61643-21 29.4 V 51.3 V
B2 test 4 kV 10/700 μs to BS EN/EN/IEC 61643-21 26.8 V 45.4 V
5 kV, 10/700 μs (4) 27.5 V 46.3 V
Maximum surge current
D1 test 10/350 μs to BS EN/EN/ – Per signal wire 1.25 kA
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 SL15X OVR SL30X
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
(1) Nominal voltage (RMS/DC or AC peak)
measured at < 10 μA 106.5 mm
(2) Maximum working voltage (RMS/DC or AC peak)
measured at < 1 mA leakage 7 mm 2 S 1 1 S 2 E
(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)