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Protection and safety
Data & signal protection
OVR Q Series

OVR Q Series - Technical specification
Electrical specification OVR 06Q OVR 15Q OVR 30Q OVR 50Q OVR 110Q
ABB order code 7TCA085400R0333 7TCA085400R0340 7TCA085400R0341 7TCA085400R0342 7TCA085400R0343 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 13 V/18.8 V 26 V/37.8 V 41 V/57.8 V 93 V/132 V
Current rating (signal) 750 mA 750 mA 750 mA 750 mA 750 mA
In-line resistance (per line ±10%) 1.0 Ω 1.0 Ω 1.0 Ω 1.0 Ω 1.0 Ω
Bandwidth (-3 dB 50 Ω system) 45 MHz 45 MHz 45 MHz 45 MHz 45 MHz
Transient specification OVR 06Q OVR 15Q OVR 30Q OVR 50Q OVR 110Q
Let-through voltage
(all conductors) Up
(3)
C2 test 4 kV 1.2/50 μs, 2 kA 8/20 μs to BS 15.0 V 28.0 V 53.0 V 84.0 V 188 V
EN/EN/IEC 61643-21
C1 test 1 kV, 1.2/50 μs, 0.5 kA 8/20 μs to 12.5 V 26.5 V 48.0 V 76.0 V 175 V
BS EN/EN/IEC 61643-21
B2 test 4 kV 10/700 μs to BS EN/EN/IEC 10.0 V 23.0 V 43.5 V 64.5 V 145 V
61643-21
5 kV, 10/700 μs (4) 10.8 V 26.2 V 44.3 V 65.8 V 150 V
Maximum surge current
D1 test 10/350 μs – Per signal wire 2.5 kA
to BS EN/EN/IEC – Per pair 5 kA
61643-21
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 06Q OVR 15Q OVR 30Q OVR 50Q OVR 110Q
Temperature range -40 to +80 °C
Connection type Pluggable 12 way screw terminal - maximum torque 0.6 Nm
Conductor size (stranded) 2.5 mm 2
Earth connection Via DIN rail or M5 threaded hole in base of unit
Case material FR Polymer UL-94 V-0
Weight – Unit 0.1 kg
– Packaged (each) 0.12 kg
– Packaged (per 10) 1.3 kg
Dimensions See diagram below

95 mm

M3 clearance
Depth: 18 mm

87 mm 69 mm

42 mm
(1) Nominal voltage (RMS/DC or AC peak)

measured at < 5 μA (OVR 15Q, OVR 30Q,
OVR 50Q, OVR 110Q) and < 200 μA (OVR 06Q)
(2) Maximum working voltage (RMS/DC or
AC peak) measured at < 5 mA leakage
(OVR 15Q, OVR 30Q, OVR 50Q, OVR 110Q)
(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)