2-Port Ethernet Surge Suppressor

Part: 4220   Model: 2-Port Ethernet Surge Suppressor


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Protect your equipment from surges traveling through network cabling with the 4220 surge suppressor. The 4220 uses high energy metal oxide varistors (MOVs) and a double network of ultra-fast diodes and silicon avalanche diodes to protect against a wide range of potentially damaging surges, even from lightning. DIN rail mounting makes installation a snap. The 4220 has dual RJ45 connectors on each end.

Additional information




4.05" (L) x 2.25" (W) x 1.00" (H)

Host Interface(s)


Operating Temperature

-40°C to 85°C (-40°F to 185°F)

# of Ports


  • • Protects Ethernet ports on computers, PLCs, hubs, switches and other network devices
  • • Advanced three-stage hybrid protection
  • • Protects two Ethernet devices
  • • Supports 10/100BaseT networks
  • • DIN rail or panel mount
  • • Protective grounding to DIN rail
  • • UL and CE rated for industrial use
  • • Surge capacity of 1 kA per line
  • • Clamp and rated at 10V and 5V
  • • Max. frequency of 155Mhz


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