Description
Blue Sea 8686 Dual Battery Switch | Boat Supply Store
Designed specifically for the demands of twin-engine vessels, this dual-battery management system effectively isolates critical engine circuits from auxiliary house loads. It incorporates a 100A C-Series Flat Rocker Circuit Breaker for main DC protection and two 15A Push Button Thermal Circuit Breakers, ensuring robust circuit integrity. The system provides 24-hour circuit protection for essential electronics and facilitates emergency cross-connection between battery banks when maximum starting power is required.
Key Features
- Dual circuit control for twin engine configurations
- Provides 24-hour circuit protection for continuous power to essential systems
- Main DC circuit protection integrated alongside high ampere load management
- Protects sensitive electronics from engine cranking voltage sags and spikes
- Enables emergency cross-connect between isolated battery banks
- Isolates engine circuits from house circuits for improved reliability
- Simplifies battery switch operation for intuitive management
- Allows independent battery discharge for flexible power utilization
Specifications
| Product Specifications | |
|---|---|
| Main DC Circuit Breaker | 100A C-Series Flat Rocker |
| Additional Circuit Breakers | 2x 15A Push Button Thermal |
| Circuit Protection | 24-hour |
| Functionality | Dual circuit control, isolation, emergency cross-connect |
Who This Is For
Boat owners operating twin-engine configurations who require comprehensive battery management and robust circuit protection. This system is ideal for those seeking to safeguard sensitive electronics and simplify electrical system control.
How It Compares
| Feature | Blue Sea 8686 Dual Battery Switch | General Purpose |
|---|---|---|
| Amperage Rating (Main DC Circuit) | 100A C-Series Flat Rocker Circuit Breaker | 350A continuous, 350A continuous |
| Integrated Circuit Breakers | Yes (1x 100A, 2x 15A) | No, No |
| Designed for Twin Engines | Yes | No (General Purpose), No |
| Emergency Cross-Connect | Yes | No (Requires separate switch), No |
Common Concerns Answered
Installation can be complex for beginners. What makes this installation challenging?
The installation requires a solid understanding of marine electrical systems, wiring schematics, and proper circuit protection principles. It is recommended for individuals with prior experience or for professional marine electricians to ensure a safe and reliable setup.
This switch has a higher price point compared to basic battery switches. What justifies the cost?
The Blue Sea 8686 integrates advanced features such as dual circuit management, dedicated main DC protection with a 100A breaker, two additional 15A thermal breakers, and the critical emergency cross-connect function. This comprehensive functionality and robust build quality offer superior value and reliability over simpler switches.
What are the potential downsides users have noted?
Some users have found the initial installation process to be complex if they lack familiarity with marine electrical systems. Additionally, the higher initial investment is a consideration compared to more rudimentary battery switching solutions.
Frequently Asked Questions
What is the maximum amperage rating for the main DC circuit protection on the Blue Sea 8686?
The main DC circuit protection is provided by a 100A C-Series Flat Rocker Circuit Breaker.
Can the Blue Sea 8686 be used for single engine applications?
While designed for twin-engine configurations, its dual circuit capabilities could potentially be adapted for complex single-engine setups requiring isolated circuits, but this is not its primary intended application.
What is the purpose of the emergency cross-connect feature on the Blue Sea 8686?
The emergency cross-connect feature allows you to manually link both battery banks together, providing the combined amperage of both batteries for engine starting in critical situations where one battery may be depleted.
Does the Blue Sea 8686 protect electronics from voltage sags and spikes?
Yes, the system is designed to protect electronics from voltage sags and spikes that occur during engine cranking, ensuring the stability of sensitive onboard equipment.
What types of circuit breakers are included with the Blue Sea 8686?
The Blue Sea 8686 includes one 100A C-Series Flat Rocker Circuit Breaker for the main DC circuit and two 15A Push Button Thermal Circuit Breakers for additional circuit protection.
