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ESP SSI Series - Technical specification
Electrical specification
ESP SSI/M
ESP SSI/B
ABB order code
7TCA085400R0168 7TCA085400R0166
Maximum signal voltage
(1)
7 V
Maximum common mode stand-off voltage
90 Vrms
Current rating
100 mA
10 A, 250 V
In-line resistance (per line, ±10%)
4.5 Ω
Leakage: – (Line to line impedance)
> 1 MΩ
– (Line to earth impedance)
> 10 kΩ
Differential bandwidth (50 Ω system)
10 MHz
ESP SSI/B:
This is a modified 11 pin ‘relay type’ socket containing a 100 Ω ±5%
wire-wound 2.5 W resistor connected between terminals 8 and 9.
Internal links between terminals 2 & 3, 9 & 10, and 1 & 11.
Transient specification
ESP SSI/M
ESP SSI/B
Transverse (Differential) ‘let-through’
voltage
(2)
U
p
15 V
Common mode ‘let-through’ voltage
(3)
U
p
250 V
Mechanical specification
ESP SSI/M
ESP SSI/B
Temperature range
-40 to +80 ºC
Connection type
–
Screw terminal
Fixing connection:
2 x M4 fixing holes
– Flat mount
–
with 33 mm centres
– Top Hat Din rail mount (ESP SSI/B)
–
An integral clip
– G Din rail mount (ESP SSI/B/G)
–
2 x mounting clips
with screws
Case material
FR Polymer UL-94 V-0
Weight: – Unit
0.065 kg
0.075 kg
– Packaged (per 50)
3.25 kg
3.9 kg
Dimensions
See diagram below
(1)
Maximum signal voltage (DC or AC peak) measured at 200 μA
(2)
‘Let-through’ voltage is the maximum transient voltage
‘let-through’ to the equipment to be protected.
C2 test (to BS EN/EN/IEC 61643-21) 2 kV 1.2/50 μs.
1 kA 8/20 μs. ‘Let-through’ voltage (±10%)
(3)
‘Let-through’ voltage is the maximum transient voltage
‘let-through’ to the equipment to be protected.
C2 test (to BS EN/EN/IEC 61643-21) 4 kV 1.2/50 μs.
2 kA 8/20 μs. ‘Let-through’ voltage (±20%)
(4)
Minimum permissible load is 5 V DC, 10 mA to ensure reliable
contact operation
(5)
The maximum transient voltage let-through of the protector
throughout the test (±10%), per mode
(6)
The electrical system, external to the unit, may constrain the
actual current rating achieved in a particular installation
(7)
Combination wave test within IEEE C62.41-2002 Location Cats
C1 & B3, SS CP 33:1996 App. F, AS 1768-1991 App. B, Cat B,
UL1449 mains wire-in
Electrical specification
ESP SSI/120AC
ESP SSI/140AC
ABB order code
7TCA085460R0059 7TCA085460R0060
Nominal voltage - Phase - Neutral
U
o (RMS)
120 V
140 V
Maximum working voltage - Phase -
Neutral
U
c (RMS)
150 V
165 V
Working voltage (RMS)
90-150 V
90-165 V
Frequency range
47-63 Hz
Current rating (supply) -
see installation instructions
100 A
Leakage current (to earth)
< 60 μA
Indicator circuit current
< 10 mA
Volt free contact:
(4)
Screw terminal
– Current rating
> 1 MΩ
– Nominal voltage (RMS)
> 10 kΩ
Transient specification
ESP SSI/120AC
ESP SSI/140AC
Let-through voltage (all conductors) Type 2 (BS EN/EN), Class II (IEC)
Nominal discharge current 8/20 μs
(per mode)
I
n
5 kA
Let-through voltage Up at
I
n
(5)
460 V
540 V
Maximum discharge current
I
max
(per mode)
(6)
20 kA
Type 3 (BS EN/EN), Class III (IEC)
Let-through voltage at
U
oc
of 6 kV 1.2/50 μs
and
I
sc
of 3 kA 8/20 μs (per mode)
(7)
400 V
500 V
Mechanical specification
ESP SSI/120AC
ESP SSI/140AC
Temperature range
-40 to +80 ºC
Connection type
Screw terminal
Conductor size (stranded)
16 mm
2
Earth connection
Screw terminal
Volt free contact
Connect via screw terminal with
conductor up to 2.5 mm
2
(stranded)
Case material
Steel
Weight: – Unit
0.5 kg
– Packaged
0.6 kg
Dimensions
See diagram below
50 mm
40 mm
43 mm
ESP SSI
120/AC
or
ESP SSI
140/AC
ESP SSI/M
50 mm
176 mm
165 mm
56 mm
Depth: 44 mm
Depth: 70 mm
M5 clearance
Depth: 69 mm
35 mm
ESP SSI/B
50 mm
40 m
43 mm
ESP SSI
120/AC
or
ESP SSI
140/AC
ESP SSI/M
50 mm
176 mm
165 mm
56 mm
Depth: 44 mm
Depth: 70 mm
M5 clearance
Depth: 69 mm
35 mm
ESP SSI/B
Specific systems protection
ESP SSI Series