Blue Sea Systems 8690 Dual Bank Battery Management Panel Single Engine 350A

The Blue Sea Systems 8690 Battery Management Panel simplifies marine electrical systems by integrating battery switching control and circuit protection into a single, compact panel. Designed specifically for single-engine applications, this panel uses an advanced Dual Circuit Plus battery switch to maintain separation between Starting and House battery banks while providing emergency crossover capability.

Key Features:

• e-Series Dual Circuit Plus battery switch with single ON position for both battery banks
• Isolates starting circuit from house circuit to protect sensitive electronics from voltage spikes during engine cranking
• Emergency crossover feature allows cross-connecting between separate battery banks when needed
• Integrated DC main circuit breaker with 24-hour branch circuit protection for bilge pumps, CO sensors, and other non-switched accessories
• Ignition protected for safe installation on gasoline-powered boats
• Expandable design with room to add additional circuits and customize the installation
• Can be mounted in four different orientations for installation flexibility
• Accommodates automatic charge relay (ACR) addition for automated charging of both battery banks
• Backed by Blue Sea Systems lifetime warranty

Technical Specifications:

• Application: Single engine, dual battery bank (2 banks with ACR)
• Voltage: 12V DC nominal, 24V DC maximum
• Continuous rating: 350A
• Intermittent rating: 525A for 5 minutes
• Cranking rating: 1000A for 10 seconds, 750A for 1 minute
• Switch positions: 5-position control
• Panel dimensions: 8" H × 5.25" W × 3.5" D

This panel replaces discontinued models 8687 and 8691, offering superior Dual Circuit Plus switching technology over the older manual selector switch designs. Perfect for boaters seeking professional-grade battery management with simplified operation and comprehensive protection.