Actisense A2K-SBN-1, NMEA 2000 Small Boat Network (4-way)
The Actisense A2K-SBN-1 is a compact, ready-to-use NMEA 2000 backbone solution with four Micro-C ports. This Small Boat Network module combines backbone, T-pieces, and power supply into a single integrated unit. Ideal for small installations where space, simplicity, and reliability are paramount. The A2K-SBN-1 offers a quick, tidy installation with no loose T-pieces or cable connections and is fully NMEA 2000 Approved.
Who is this for?
For installers who want to install a compact NMEA 2000 backbone without loose parts.
For shipyards and small vessels where there is little space for traditional backbone installations.
For vessel owners who want to connect multiple devices through one integrated solution.
Key Features
Fully integrated NMEA 2000 backbone with four Micro-C connections.
Built-in power T with fixed power cable (1.5 meters, red/black).
Waterproof, overmolded design with IP67 protection.
Gold-plated contacts for optimum signal integrity and corrosion resistance.
Compatible with all NMEA 2000 Micro-C connectors and devices.
NMEA 2000 Approved, UL Certified, and RoHS Compliant.
What's in it for you?
Quick installation: one compact module replaces backbone, T-pieces and power T.
Reliable connections: fewer connection points means less chance of failures.
Space-saving design: ideal for small yachts, sloops and refits with limited space.
Technical specifications
Connectors and ports
Type
Integrated NMEA 2000 backbone network
Number of ports
4 × Micro-C M12 five-pin female connectors
Power connection
1.5 meter fixed power cord (red/black, 18 AWG)
Contacts
Gilded brass
Protection class
IP67 when correctly connected
Electric
Supply voltage
12 V or 24 V DC
Maximum current
4 A per port
Resistance
Conforms to NMEA 2000 specification (120 Ω network resistance at termination)
Mechanical and environmental
Housing
Overmolded plastic, waterproof and UV-resistant
Operating temperature
−25 °C to +70 °C
Storage temperature
−40 °C to +85 °C
Certification
NMEA 2000 Approved, RoHS Compliant, UL E137250 (UL1277)
Additional features
Application
Usage
Compact backbone system for small NMEA 2000 installations, suitable for direct connection of multiple sensors, displays and engine interfaces.
Installation
Plug-and-play installation with a fixed power cable. No additional T-pieces or backbone cables required.
Ultimate UpgradeUp to €600 extra off Simrad and B&G
On top of our regular price, Simrad and B&G add an extra discount on chartplotters, HALO radar, autopilots, VHF radios and sailing instruments. Already deducted, no code needed.
