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Banarsi Complex, Ist Floor, Opposite Umrao Theatre, Nishatganj
Lucknow, Uttar Pradesh-226006, India+(91)-522-4077769
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Surge Arrester for Telecommunications Rj45 Connectors

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Surge Arresters


Surge arrester for telecommunications

RJ45 connectors

Combination of coarse and fine protection designed

to protect one pair of ISDN lines of telecommunication

equipment. It is installed at the boundary of LPZ 1–LPZ 2

zones and higher.


– universal plastic adapter for DIN rail assembling,

– adapter GND 2.

Technical data


Location SPD

ST 2+3

Maximum operating voltage Uc

121 V DC / 86 V AC

Nominal current IL

60 mA

C2 total nominal discharge current (8/20 μs) line - PE In

2,5 kA

C2 voltage protection level line - line at In UP

270 V

C2 voltage protection level line - PE at In Up

300 V

C3 voltage protection level line - line at 1 kV/μs Up

180 V

C3 voltage protection level line – PE at 1 kV/μs Up

400 V

Series resistance per line R

6,8 Ω

Threshold frequency fG

80 MHz

Response time line - line ta

1 ns

Response time line - PE ta

100 ns

Degree of protection

IP 20

Range of operating temperatures

– 40 °C … + 60 °C

Connection input – output

RJ 45/RJ 45

Mounting on

surface on the desk/DIN rail

Meets the requirements of standard

EN 61643-21

Ordering number



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