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Surge Protection Device Rj12 For Telecommunications

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Surge Arresters


Surge arrester for telecommunications

RJ12 connectors

Combination of coarse and fine protection designed to

protect one pair of analogue lines of telecommunication



– universal plastic adapter for DIN rail assembling,

– adapter GND 2.

Technical data


Location SPD

ST 2+3

Maximum operating voltage Uc

162 V DC / 114 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

260 V

C2 voltage protection level line - PE at In Up

300 V

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

240 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

14 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

RJ12 / RJ12

Mounting on

surface on the desk/DIN rail

Meets the requirements of standard

EN 61643-21


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