Ethernet Surge Protector (2 Pack) PoE+ Gigabit – Gas Discharge Tube for Full Protection -Mounting Flange- RJ45 Lightning Suppressor- LAN Network CAT5/CAT6 Thunder Arrestor GbE 1000 Mbps- Tupavco TP302

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Product Description

Ethernet Surge ProtectorEthernet Surge Protector

Ethernet Surge Protector (Pack of 2) is a surge protection device (SPD) that is inserted inline on an RJ45 CAT6/CAT5/CAT5e cable to prevent damage of electronic networking equipment.

Powerful surges that the device protects against include direct lightning strikes, voltage spikes, or PoE overvoltages. Despite the primary protection (a direct strike to a line), the thunder arrestor also offers secondary protection, which will arrest EMF induced surges (nearby lightning ethernet).


Gas discharge tubes (GDTs) are developed to overcome some of the disadvantages of diode-based protectors like energy handling capability and is suitable for almost all surge, whether high or low frequency, it can be intercepted by a gas discharge tube surge arrester so it provides a rigorous spark discharge control performance.

Ethernet Surge Suppressor TP302 use a Gas Discharge Tube (GDT) on all 4 pairs (8 wires). Gas discharge tubes dissipate the voltage transient through a contained plasma gas which harnesses excess voltage in the incoming power and releases it safely. It ensures the safety of a wide array of valuable components such as switch, router, modem, bridge, repeater, or any part of internet service network.

Mounting flange on the both sides of lightning suppressor allows easy mounting to a wall, network panel, cabinet, or rack attaching by screws (not included).

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Ethernet Surge Protector BulkEthernet Surge Protector Bulk

RJ45 Lightning Protection for Gigabit 10/100/1000 (GbE) and High PoE+ Networks

The gigabit surge protector date rate of Gigabit 10/100/1000 (GbE) transfer supports an ultra-fast maximum data rate of 1 Gigabit per second (Gbps – 1000 Mbps) and does not affect the speed performance in the local area network. POE Surge Protector allows a single RJ-45 cable to provide both data connection and electric power to device such as wireless access point, IP and security camera, VoIP phone, computer and others. Surge Arrestor TP302 is designed to protect PSE (power-supply equipment) connected to a network from transient overvoltages. The lightning protector PoE supports both Mode A (Pins 1,2+ 3,6-) and B (7,8+ 4,5-) of the 802.3af standard. 802.3af (PoE) can deliver up to 15.4 watts per port with 12.95W at the powered device, while 802.3at (PoE+) can deliver up to 30 watts with 25.5 watts available to devices. PoE Plus is also known as High PoE.

PoE Surge protectorPoE Surge protector


The Ethernet lightning arrestor must be properly grounded to work. The ethernet ground wire (11 Inch – 12 AWG) on the surge protector needs to be connected to ground through the shortest path. Excess electricity will follow the path of least resistance. In most cases, a ground busbar on an electrical panel or network rack cabinet is already grounded and is typically the easiest way to ground the wire. Other options to ground RJ45 surge protector are grounding block on the breaker panel, grounding rod or terminal of the closest outlet by connecting the ground wire to circular grounding hole on the grounded outlet center screw.

The lightning arrestor can be used with unshielded twisted pair (UTP) or shielded (STP) cables. The arrester is housed in a cast aluminum enclosure. The metal housing allows shielded current to be passed through the metal case of the network surge protector.

ethernet surge protector mountethernet surge protector mount

Protection Modes Line-Line, Line-Ground

The Line-to-Line ethernet surge protection mode helps protect against short circuits between different nodes of the network system while the Line-to-Ground mode protects against short circuits between the network node and the earth. As it is not known where the transient will happen, having both modes protected ensures damage is minimized. Nominal Discharge Current of 5KA defines the peak value of the current that can be passed through the SPD having a waveshape of 8/20μs microsecond where the RJ45 lightning arrestor remains functional after 15 surges.

Once the surge protector ethernet voltage exceeds its designed rating it “begins to clamp” and starts to conduct energy directly to the electrical grounding system. A bidirectional clamping on CAT5 surge protector allows levels above and below the reference voltage by clamping the voltage that can cause damage.

rj45 surge suppressorrj45 surge suppressor

Ethernet Surge Protector

Ethernet Surge ArrestorEthernet Surge Arrestor

Investing in a small, easy to install surge protector with all of the needed features and proven reliability can be the safest and most cost-effective solution for protecting your whole Ethernet network.

Impedance 100 ohms

Operating Temperature -40°C (-40°F) to +80°C (+176°F)

Outside Dimensions (W*L*H) 26*26*62 mm

Weight: 60 g



Ethernet network surge protector works in both directions (IN/OUT), so the source input signal cable can be connected to any side. It is not important which side the equipment is behind, however the surge protector will protect networking equipment only on the opposite side of where surge occurs. To protect devices on both sides, it is recommended to have one of the surge protectors on each end of the RJ45 cable in the network topology.

Nominal Discharge Current (8/20μs): 5 KA

Nominal PoE voltage : <60V

PoE current up to 1A

PoE Mode Support Mode A and B for Power

Protection Modes Line-Line, Line-Ground

Tested standards IEC 61643-21, IEC61000-4-5

Clamping Voltage Line-Ground: 72 Volts

Clamping Voltage Line-Line: 72 Volts

RJ45 Lightning Suppressor with Gas Discharge Tube – Cable Protection CAT6/CAT5/CAT5e 60V 720mA HPoE
Aluminum Case,Ground Wire 12AWG,Line-Line Line-Ground Protection,Bidirectional Clamping,5KA 8/20μs
Thunder Arrestor Protects Computer Networking Equipment Devices like Router,Modem,Camera,Switch etc
Mounting Flanges provide option for screw mount to the Wall, Electric Panel or Network Rack Cabinet

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