Coupling impedance (resistance), screw
terminals.
- Coarse and fine surge
protection for 2-core signalling networks.
- Installation close to
protected equipment.
- For protection of
communication interfaces, mainly the RS-485 lines, of I&C, electronic
security and fire detection systems, etc. against impact of surge voltage.
- Coarse and fine surge protection in differential mode (core – core) and common mode (core – PE).
Specifications:
Parameter name |
Parameter value |
|
|
Type of SPD |
C2,C3 |
|
|
Location of
SPD |
ST 2+3 |
|
|
Mounting |
DIN rail 35 mm |
|
|
Nominal
voltage |
Un |
12 V DC |
|
Maximum
operating voltage |
Uc |
11.00 V AC |
|
Maximum
operating voltage |
Uc |
16.00 V DC |
|
Nominal
load current |
IL |
0.500 A |
|
Treshold
frequency core-core |
f |
2.00 MHz |
|
Serial
resistance per core |
R |
1.60 Ω |
|
D1 impulse
discharge current (10/350 µs) per core |
Iimp |
0.50 kA |
|
D1 total
discharge current (10/350 µs) cores-PE |
ITotal |
1.00 kA |
|
C2 nominal
discharge current (8/20 µs) per core |
In |
5.00 kA |
|
C2 total
discharge current (8/20 µs) cores-PE |
ITotal |
10.00 kA |
|
C2 voltage
protection level mode core-PE at In |
Up |
40 V |
|
C2 voltage
protection level mode core-core at In |
Up |
28 V |
|
C3 voltage
protection level mode core-PE at 1 kV/µs |
Up |
20 V |
|
C3 voltage
protection level mode core-core at 1 kV/µs |
Up |
20 V |
|
Response
time core-core |
ta |
1 ns |
|
Response
time core-PE |
ta |
1 ns |
|
Connection
(input - output) |
terminals-terminals |
|
|
Cross-section
of connected conductors solid (min) |
0.14 mm2 |
|
|
Cross-section
of connected conductors solid (max) |
4.00 mm2 |
|
|
Cross-section
of connected conductors stranded (min) |
0.14 mm2 |
|
|
Cross-section
of connected conductors stranded (max) |
2.50 mm2 |
|
|
Degree of
protection |
IP 20 |
|
|
Range of
ambient temperatures (min/max) |
-40 / 70 °C |
|
|
According
to standard |
EN 61643-21+A1,A2:2013,
IEC 61643-21+A1,A2:2012 |
|
|
ETIM Class |
EC001625 |
|
|
Customs
tariff number |
85363010 |
|
|
EAN |
8595090551416 |
Dimensions:
Surge protection for 2-core signalling networks, terminal block with screw terminals, 12 V DC, max. 0.5 A
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