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ESP RS485, RS485Q & SL RS485 Series - Technical specification
Electrical specification
ESP RS485
ESP SL RS485
ESP RS485Q
ABB order code
7TCA085400R0191 7TCA085400R0193
7TCA085400R0192
Nominal voltage
(1)
15 V
Maximum working voltage
U
c (RMS/DC)
(2)
11 V / 16.7 V
Current rating (signal)
300 mA
In-line resistance (per line ±10%)
1 Ω
Bandwidth (-3 dB 50 Ω system)
45 MHz
Transient specification
ESP RS485
ESP SL RS485
ESP RS485Q
Let-through voltage (all conductors)
(3)
U
p
C2 test 4 kV 1.2/50 μs, 2 kA 8/20 μs to
BS EN/EN/IEC 61643-21
55.0 V
C1 test 1 kV, 1.2/50 μs, 0.5 kA 8/20 μs to
BS EN/EN/IEC 61643-21
42.0 V
B2 test 4 kV 10/700 μs to BS EN/EN/IEC 61643-21
27.2 V
5 kV, 10/700 μs
(4)
28.2 V
Maximum surge current
D1 test 10/350 μs to – Per signal wire
2.5 kA
1.25 kA
2.5 kA
BS EN/EN/IEC 61643-21: – Per pair
5 kA
2.5 kA
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
ESP RS485
ESP SL RS485
ESP RS485Q
Temperature range
-40 to +80 ºC
Connection type
Screw terminal - Screw terminal - max. torque 0.8 N Pluggable 12 way screw terminal
max. torque 0.5 Nm
Conductor size (stranded)
2.5 mm
2
4 mm
2
2.5 mm
2
Earth connection
M6 stud
Via DIN rail or 4 mm
2
earth terminal - Via DIN rail or M5 threaded hole in base of unit
max. torque 0.8 Nm
Case Material
FR Polymer UL-94 V-0
Weight: – Unit
0.08 kg
0.1 kg
– Packaged (per 10)
0.85 kg
1.3 kg
Dimensions
See diagram below
(1)
Nominal voltage (RMS/DC or AC peak) measured at < 10 μA
(2)
Maximum working voltage (RMS/DC or AC peak) measured
at < 5 mA
(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)
7 mm
104.6 mm
106.5 mm
2 S 1
2 S
E
1
95 mm
69 mm
42 mm
M3 clearance
Depth: 18 mm
87 mm
120 mm
38 mm
19 mm
54 mm
105 mm
M4 clearance
109 mm
M4 clearance
ESP SL RS485
ESP RS485
ESP RS485Q
Data & signal protection
ESP RS485, RS485Q & SL RS485 Series