Surge protector for telephone line 1 to 4-pairs
Part Number: 560203
  • Telecom line surge protector
  • PSTN or ADSL line
  • 4-pair
  • Instantaneous installation
  • RJ45 connector
  • UL497A
Installation Sheet

The MJ8-170V surge protector is designed to protect sensitive telecom terminals against lightning surges. They are equipped with standard telecom connection allowing easy and intantaneous maintenance. Equipped with shielded RJ145 connector it protects PSTN or ADSL 4-pair line

Select another reference:

RTC, ADSL2, SDSL, SHDSL, VDSL2 - 4 pairs
Nominal line voltage
150 Vdc
Max. DC operating voltage 170 Vdc
Max. load current
1000 mA
Max. data rate
30 Mbps
Max. frequency
> 10 MHz
Insertion loss
< 1 dB
Protection level
@ In (8/20µs)
Impulse current
2 x 10/350µs Test - D1 Category
500 A
Line/Line Nominal discharge current
8/20µs Test x 10 - C2 Category
500 A
Line/Ground Nominal discharge current
8/20µs Test x 10 - C2 Category
2000 A
Technology GDT+clamping diode
SPD configuration 4 pairs + shielded
Connection to Network RJ45 connector female input/output
Format Connector RJ45
Mounting Mounting flange,Screw lug, DIN Rail
Housing material Aluminium
Operating temperature -40/+85°C
Protection rating IP20
Failsafe behavior Short-circuit - transmision cut-off
Pin outs 4-pairs (1-2)(3-6)(4-5)(7-8)
See diagram
Standards compliance IEC 61643-21 / EN 61643-21 / UL497A