B&G Nemesis Hub
Best central hub for sailors managing multiple high-performance navigation displays.
The B&G Nemesis Power/Ethernet Display Hub is engineered to seamlessly connect up to three Nemesis 9 or 12 sailing displays. Designed for marine environments, it operates on 12/24V DC power systems with a broad 10 to 31.2V range, ensuring compatibility with typical boat electrical setups. Its robust IPX6 and IPX7 waterproof rating makes it ideal for exposed installations, offering protection against spray and washdowns. This hub simplifies complex wiring by consolidating both Ethernet data and power for multiple displays, providing a clean and organized solution for race or cruising boats.
$411.45
Owner Satisfaction
4.5
/ 5
Category Rank
310
/ 2256
#310 in Hubs & Switches
Price vs Category Average
-94%
Below average
Power Input
12241031.2
/ /V DC (-V operating range)
Who it's for
- System integrators managing complex, multi-sensor marine networks
- Offshore racers requiring durable, weather-resistant hardware
- Competitive sailors needing instant, accurate performance data
Who should skip it
- Budget-conscious sailors seeking simple, affordable instrument solutions
- DIY enthusiasts lacking advanced marine electronics installation experience
- Safety-focused skippers wanting redundant, decentralized data systems
Performance breakdown
Installation Simplicity
Consolidates power and data into one hub for cleaner cockpit wiring.
Marine Durability
IPX6 and IPX7 ratings ensure total protection against harsh saltwater environments.
System Scalability
Efficiently manages up to three high-performance displays from a single point.
Electrical Compatibility
Broad voltage range handles standard 12V and 24V boat electrical systems.
Build Quality
Rugged stainless steel housing provides exceptional structural integrity for marine use.
Diagnostic Feedback
Integrated status LEDs offer quick visual confirmation of power and connectivity.
Key Specs
Power Input
12/24V DC (10-31.2V operating range)
Waterproof Rating
IPX6 and IPX7
Connections
1x 8-pin Ethernet/power, 3x 8-pin Ethernet
Material
Stainless Steel
Product Color
Black
Weight
0.35 lbs
Operating voltage
10 - 31.2 V DC
Power consumption
2W plus max 60W distributed to connected displays
Features
- Connects up to three Nemesis sailing displays
- Distributes power and Ethernet data efficiently
- Simplifies wiring for multiple displays
- Offers flexible display placement options
- IPX6 and IPX7 waterproof rating
- Suitable for 12/24V DC systems
- Enables unified navigation system
- Status LEDs for power and Ethernet
What customers say
The B&G Nemesis Hub earns high praise, especially from competitive sailors, for its exceptional data processing speed. Users confirm this hub acts as the high-speed backbone for the Nemesis display, rapidly delivering critical tactical metrics that provide a clear competitive advantage. Reliability in harsh marine conditions is consistently noted, reinforcing the professional grade build quality. Integration across existing networks is seamless, ensuring cohesive system performance. The primary drawbacks cited are the premium price, positioning it as an investment for serious users, and the complexity of initial setup, which may require technical skill. Overall, users value this mission critical equipment for its speed and accuracy.
Know before you buy
The Nemesis Hub is designed to support up to three Nemesis 9 or 12 sailing displays simultaneously.
Yes, the hub consolidates both Ethernet data and power distribution, simplifying your wiring by sending power directly to the connected Nemesis displays.
Yes, the hub features an IPX6 and IPX7 waterproof rating, meaning it is fully protected against heavy spray and washdowns, making it suitable for exposed installations.
Yes, the hub is compatible with both 12V and 24V DC systems, with an operating voltage range of 10 to 31.2V.
The hub itself consumes 2W, with a maximum of 60W distributed to the connected displays. It requires a 9-amp fuse for safe operation.
The unit is designed for desktop mounting and features a durable metal housing. Ensure you have adequate space for the cabling and access to an M4 grounding point.
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Ready to buy?
$411