Information Surge Arrester
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Instruction
♦ TS-RS485/5 Surge Suppression for Information Technology System
INTRODUCTION:TS-RS485/5 RS485 Surge Suppression is designed according to GB 18802.21 / IEC 61643-21 for installation at LPZ 0B -2 or higher.Provide surge current protection for RS 485/RS 422 industrial bus control,other field bus and temperature measurement.
♦ Product Size
♦ Basic Circuit Diagram
♦ Technical Data
Model |
|
TS-RS485/5 |
Nominal voltage |
Un |
5V- |
Rated voltage (max. continuous voltage) |
Uc |
6V- / 4.2V~ |
Nominal current |
IL |
0.5A |
Nominal discharge current (8/20) |
In |
10kA |
Voltage protection level at In |
Up |
≤ 20V (line-line) ≤ 700V (line-PG) |
Voltage protection level at 1KV/µs
|
Up |
≤ 8.5V (line-line) ≤ 600V (line-PG) |
Response time |
tA |
≤ 1ns (line-line) ≤ 100ns (line-PG) |
Bandwidth |
fG |
1.7MHz |
Series impedance per line |
R |
1.8Ω |
Capacitance |
C |
≤ 5nF |
Operating temperature range |
|
-40°C...+80°C |
Relative humidity: |
|
≤95% (25°C) |
Cross-sectional area |
|
Max. 2.5mm2 flexible |
Mounting on |
|
35mm DIN rail |
Enclosure material |
|
Yellow thermoplastic, UL94-V0 |
Standards |
|
IEC 61643-21; GB 18802.21 |
Certification |
|
CE (LVD, EMC) |
♦ MAIN CHARACTER
1, Quick response
2, Low voltage protection level
3, Direct or indirect shield earthing
INSTALLATION INSTRUCTION 1. This RS485 Surge Suppression is connected in series to the protected device. 2. The out terminal should be connected to the protected devices. 3. There is a earthing terminal at input side,earth lead must be connected to the lightning earthing system, ideally using 2.5mm² cable. The cable should be as short as possible. 4, Shields on the TS-RS485/5 can be grounded directly or indirectly.If grounded directly,the shield of the incoming cable is connected to terminal 8(IN) and the outgoing cable is connected to terminal 8´(OUT). If grounded directly,the shield of the incoming cable is connected to terminal 7(IN) and the outgoing cable is connected to terminal 7´(OUT). Regularly inspect the operating status, especially after lightning. Once the communication is off, electrician should check/replacethe SPD.= |
TS-RS485/5 INSTALLATION DIAGRAM
|
WARNING: 1. The device must be installed by electrically skilled person, conforming to national standards and safety regulations. 2. It is recommended that installation should be done under power off condition. |
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