Product Overview
Battery Switch M Dual Cir Plus

Take command of your vessel's electrical system with the Blue Seas Battery Switch M Dual Cir Plus. This robust, compact switch offers unparalleled control and safety for dual battery setups, ensuring you always have power where you need it. The innovative "make-before-break" design allows seamless switching between battery banks without interrupting power to critical systems, while the combine function provides an emergency parallel power option for peace of mind on the open water.
Key Features
- **Dual Circuit Plus Functionality:** Independently control two battery banks (house and engine) or combine them for charging or emergency starting.
- **Make-Before-Break Switching:** Guarantees uninterrupted power flow when switching between battery banks, protecting sensitive electronics.
- **Ignition Protected:** Safe for installation in gasoline-powered boats, eliminating the risk of sparks igniting fumes.
- **High-Amperage Ratings:** Handles continuous loads up to 300A, intermittent loads up to 450A, and starting loads up to 675A per circuit, perfect for demanding marine applications.
- **Durable Construction:** Built with marine-grade tinned copper studs and a reinforced polycarbonate housing to withstand harsh marine environments.
- **Versatile Mounting:** Can be surface, front panel, or rear panel mounted for flexible installation options.
- **Clear Labeling:** Includes an ICON label kit for easy circuit identification and simplified operation.
Specifications
The Captain's Take
After years of relying on less capable battery switches, I upgraded to the Blue Seas M Dual Cir Plus and haven't looked back. The smooth, uninterrupted switching between batteries is a game-changer, especially when running sensitive electronics. The combine feature has saved me more than once in tricky situations. This switch is a must-have for any serious boater looking for reliable power management and peace of mind.