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

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, VDSL2 - 4 pairs
Nominal line voltage
Un 150 Vdc
Max. DC operating voltage
Uc 170 Vdc
Max. frequency
f max. > 10 MHz
Max. data rate
30 Mbps
Insertion loss
< 1 dB
Max. load current
IL 1000 mA
Protection level
Following the test category C3 (IEC61643-21) - Line/Line
Up 220 V
Impulse current
2 x 10/350µs Test - D1 Category
Iimp 500 A
Line/Line Nominal discharge current
C2 Category
In L/L 500 A
Line/Ground Nominal discharge current
8/20µs Test x 10 - C2 Category
In L/PE 2000 A
GDT+Clamping diode
SPD configuration
4 pairs+shielded
Connection to Network
RJ45 connector Female input/output
Connector RJ45
Mounting flange,Screw lug, DIN Rail
Accessory(s) provided
DIN rail adapter, screw, screw nut, earthing plate, countersunk screw, cable shoe
Housing material
Operating temperature
Tu -40/+85°C
Protection rating
Failsafe mode
Short-circuit - transmision cut-off
4-pairs (1-2)(3-6)(4-5)(7-8)
See diagram
0.112 kg
Standards compliance
IEC 61643-21 / EN 61643-21 / UL497A