Description
Blue Sea 8689 Dual Circuit Plus 2 Battery Switch | Boat Supply Store
Engineered for twin engine vessels, this integrated battery switch system resolves the complexities of managing separate engine and house circuits while providing critical safety features. It incorporates dedicated circuit protection, including one 100A C-Series Flat Rocker Circuit Breaker and three 15A Push Button Thermal Circuit Breakers, safeguarding sensitive electronics from cranking disturbances. This unit facilitates emergency cross-connection between isolated battery banks, ensuring operational continuity for offshore fishing expeditions.
Key Features
- Designed for twin engine configurations
- Provides 24-hour circuit protection
- Offers main DC circuit protection in addition to high ampere load protection
- Protects electronics from sags and spikes caused by engine cranking
- Allows emergency cross-connect between isolated battery banks
- Isolates the Engine circuit from the House circuit
- Simplifies battery switch operation
- Includes 4218 Square Format Labels and 4140 24 Hour Round Labels
Specifications
| Product Specifications | |
|---|---|
| Type | m-Series Dual Circuit Plus 2 Battery Switch |
| Engine Configuration | Twin Engine |
| Included Circuit Breakers | 1 x 100A C-Series Flat Rocker, 3 x 15A Push Button Thermal |
| Protection Features | 24-hour circuit protection, Main DC circuit protection, High ampere load protection, Protection from engine cranking disturbances |
| Operational Modes | Emergency cross-connect, Isolated engine and house circuits, Independent battery discharge |
| ACR Compatibility | Compatible with Automatic Charging Relay |
| Included Labels | 4218 Square Format Labels, 4140 24 Hour Round Labels |
| Certifications | UL Listed |
Who This Is For
Boat owners with twin engine configurations demanding advanced battery management and integrated circuit protection. This system is ideal for simplifying complex electrical setups and enhancing the reliability of critical onboard systems.
How It Compares
| Feature | Blue Sea 8689 Dual Circuit Plus 2 Battery Switch | Competitor |
|---|---|---|
| Integrated Circuit Breakers | Yes (1x 100A, 3x 15A) | No, No |
| Designed for Twin Engines | Yes | Yes, Yes |
| Emergency Cross Connect | Yes | Yes (via BOTH position), Yes |
| Amperage Rating (Continuous) | Not explicitly stated for the switch itself, but includes 100A and 15A breakers. | 350A, 300A |
| Includes Labels | Yes (Square and Round) | Yes, Yes |
Common Concerns Answered
Is the price a significant factor?
The initial investment for the Blue Sea 8689 is higher due to its integrated circuit breakers and advanced functionality, which may be a consideration compared to simpler battery switches.
How complex is the installation?
Installation requires a foundational understanding of marine electrical systems, including battery wiring and circuit breaker integration. Proper wire sizing and termination are critical, and professional installation is advisable for those less experienced with electrical work.
Why is this switch more expensive than basic models?
The higher price reflects the inclusion of multiple circuit breakers and the specialized design for twin engine applications, offering comprehensive protection and simplified operation not found in basic battery switches.
Frequently Asked Questions
What is the primary function of the Blue Sea 8689 m-Series Dual Circuit Plus 2?
Its primary function is to provide dedicated circuit protection for both engine and house loads on twin engine boats, along with emergency cross-connect capabilities and simplified battery management.
Is this battery switch suitable for twin engine boats?
Yes, this battery switch is specifically designed and optimized for twin engine configurations.
What types of circuit breakers are included with the Blue Sea 8689?
It includes one 100A C-Series Flat Rocker Circuit Breaker and three 15A Push Button Thermal Circuit Breakers.
Can this system protect electronics from engine cranking sags and spikes?
Yes, it is engineered to protect electronics from the voltage sags and spikes that occur during engine cranking.
How does the emergency cross-connect feature work?
The emergency cross-connect feature allows you to link your battery banks together in a situation where one battery bank is depleted, providing a means to start an engine or power essential systems.
