Description
The Balmar SG2-0404 COM Cable 3-Way Adapter is a key accessory designed to enhance the connectivity and flexibility of your Balmar SG200 SmartGaugeâ’ž¢ system. This adapter allows you to easily split the communication (COM) cable to connect multiple SG200 components – such as SmartShunts, SmartHubs, or displays – within your vessel’s electrical monitoring system.
Whether you’re expanding your monitoring system or rerouting components, the SG2-0404 offers a clean, plug-and-play solution for managing multiple COM cable connections without the need for splicing or custom wiring.
Key Features:
3-Way COM Cable Splitter: Connects three SG200-compatible devices to a single COM cable line.
Plug-and-Play: Uses Balmar’s standardized connectors for easy, secure installation.
Compact and Durable: Built for marine environments, ensuring reliable performance even in harsh conditions.
Supports System Expansion: Ideal for integrating additional SmartShunts, displays, or battery banks.
Reliable Communication: Maintains signal integrity across the networked devices.
Specifications:
Manufacturer: Balmar
Model Number: SG2-0404
Compatibility: Balmar SG200 SmartGauge systems and accessories
Connectors: 3 x COM cable ports (Balmar-style data connectors)
Material: Marine-grade plastic housing
Dimensions: Approx. 2.5″ x 2.5″ x 1″ (6.4 cm x 6.4 cm x 2.5 cm)
Weight: < 1 lb
Installation: In-line between COM cable runs; no tools required
Use Case: Suitable for adding multiple Balmar SG200 components to a single bus
Applications:
Expanding battery monitoring to multiple battery banks
Integrating multiple SmartShunts into a single SG200 system
Simplifying installation for boats with complex electrical layouts









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