Outdoor Local Area Network Protector.


  • Designed for the protection of up to two PoE-powered devices such as surveillance cameras, subscriber units, traffic lights, etc.
  • Weatherproof enclosure
  • Compact, in-line installation
  • High-speed capability
  • Low shunt capacitance to reduce signal loss
  • Enclosure meets UL® 497B rain test requirements
MWERJ451-2 Series Datasheet


Number of Protectors 1(MWERJ451) – 2(MWERJ452)
Clamping Voltage 60 VDC
Max Continuous Operating Voltage (Uc) 66 VDC
Peak Pulse Current 45 A 10/1000 μs
Nominal Discharge Current (In) 500 A 8/20 μs
Capacitance 15 pF Max
Connection Type RJ45
Temperature -40 to 80 °C
Enclosure Material UL® 94V-0 Thermoplastic
Knockout Sizes (4) 22,5 mm
(2) 28,4 mm
Depth (D) 89.4 mm
Height (H) 137.2 mm
Width (W) 221.4 mm

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