CITEL – MJ8-CAT6S surge protector for 10Gb Ethernet

MJ8-CAT6S Ethernet network surge protectors are designed for computer networks with very fast data transfer speeds up to 10 Gbit/s for the Category 6 networks with shielded cable (STP). Their GDT/Diodes circuit gives them the discharge capacity necessary for the protection of inter-building connections. In order to cover the many various types of networking applications



  • Network: 10Gigabit Ethernet, Cat.6 cabling
  • Nominal line voltage Un: 5 Vdc
  • Max. DC operating voltage Uc: 8 Vdc
  • Max. load current IL: 1 A
  • Max. data rate: 10 Gbps
  • Max. frequency    f max.: > 250 MHz
  • Insertion loss: < 1 dB
  • Protection level Up: 20 V
  • Max. shunt capacitance C: < 25 pF
  • Impulse current Iimp: 500 A
  • Line/Line Nominal discharge current In L/L: 500 A
  • Line/Ground Nominal discharge current In L/PE: 2000 A


  • Technology: GDT+Clamping diode
  • SPD configuration: 4 pairs+shielded
  • Connection to Network: RJ45 shielded 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 mode: Short-circuit
  • Disconnection indicator: Transmission interrupt
  • Pinout: (1-2)(3-6)(4-5)(7-8)
  • Dimensions: See diagram


  • Standards compliance: IEC 61643-21 / EN 61643-21 / UL497 B / IEEE 802-3an

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