Ubiquiti Ethernet Surge Protector Gen 2 (ETH-SP-G2)
The Ubiquiti Ethernet Surge Protector Gen 2 (ETH-SP-G2) is a compact network protection device designed to help safeguard Ethernet-connected equipment from damaging electrostatic discharge and electrical surges. It supports Gigabit Ethernet connections and protects compatible network devices such as switches, routers, access points, and security cameras by providing surge protection between Ethernet cabling and connected equipment. The ETH-SP-G2 features two passive RJ45 Ethernet ports, shielded connectivity, a replaceable gas discharge tube, and a grounding connection for effective surge diversion. Its compact, weather-resistant enclosure makes it suitable for both indoor and outdoor network installations, particularly where Ethernet cables are exposed to electrical or environmental hazards.
Product Features
Ethernet Surge Protection
The ETH-SP-G2 helps protect connected Ethernet equipment against electrical surges that can travel through network cabling, reducing the risk of damage to sensitive networking hardware.
Gigabit Ethernet Support
The surge protector supports Gigabit Ethernet connections, allowing it to be integrated into high-speed wired networks without being limited to basic 10/100 Mbps Ethernet applications.
Two RJ45 Ethernet Ports
Two shielded RJ45 ports provide a simple connection point between the incoming Ethernet cable and the protected network device.
Gas Discharge Tube Protection
The integrated gas discharge tube provides a path for surge energy to be diverted away from connected equipment. The replaceable design allows the protection component to be serviced when necessary.
Grounding Connection
A dedicated grounding terminal allows surge energy to be directed toward an appropriate earth ground, helping improve protection when the unit is correctly installed and grounded.
Outdoor-Ready Construction
The compact enclosure is designed for indoor and outdoor installations, making the ETH-SP-G2 suitable for Ethernet runs between buildings, outdoor access points, surveillance cameras, and other exposed network equipment.
Passive Design
The ETH-SP-G2 operates as a passive protection device and does not require a separate power supply, simplifying installation and reducing maintenance requirements.
Easy Network Integration
The device can be installed inline with an Ethernet connection, making it suitable for protecting Ethernet runs between switches, access points, cameras, routers, and other network equipment.
Product Specifications
- Brand: Ubiquiti
- Product Type: Ethernet surge protector
- Model: ETH-SP-G2
- Generation: Gen 2
- Ethernet Ports: 2 x shielded RJ45
- Supported Ethernet Speed: 10/100/1000 Mbps
- Surge Protection: Ethernet data and PoE surge protection
- Protection Component: Gas discharge tube
- Gas Discharge Tube Replacement: Supported
- Maximum Surge Discharge: Up to 90V common-mode and differential-mode protection
- Maximum Surge Current: 5 kA
- Peak Pulse Current: 20 A
- Response Time: Less than 1 ns
- Data Rate: Gigabit Ethernet
- PoE Compatibility: Compatible with Ethernet PoE connections
- Grounding: Dedicated grounding terminal
- Enclosure Material: Polycarbonate
- Weather Resistance: Suitable for outdoor installation
- Installation: Inline Ethernet installation
- Operating Temperature: -30 to 65°C (-22 to 149°F)
- Operating Humidity: 0% to 95% noncondensing
- Dimensions: Approximately 91 x 61 x 32.5 mm (3.58 x 2.40 x 1.28 inches)
- Weight: Approximately 80 g (2.82 oz)
- Power Requirement: No external power required
- Mounting: Wall or surface mounting
- Application: Ethernet network surge protection for indoor and outdoor installations



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