Product Overview
H.D. Battery Switch On-Off

Take command of your boat's electrical system with the Blue Seas H.D. Battery Switch On-Off. This robust, heavy-duty switch provides reliable and safe control of your battery power, ensuring peace of mind whether you're cruising, anchored, or stored ashore. Designed for demanding marine environments, this switch offers exceptional performance and durability, protecting your valuable electronics and preventing accidental battery drain.
Key Features
- **Heavy-Duty Performance:** Handles continuous loads up to 500A, intermittent loads up to 900A, and starting loads up to 1750A, suitable for a wide range of marine applications.
- **Reliable ON-OFF Control:** Provides a secure and positive disconnect, effectively isolating your battery to prevent unwanted power draw and extend battery life.
- **Rugged Construction:** Built to withstand the harsh marine environment with a durable grey housing and corrosion-resistant components.
- **Easy Installation:** Designed for straightforward installation with 1/4" (M6) mounting holes and clearly marked terminals.
- **High-Capacity Terminals:** 1/2" (M12) terminal studs accommodate two 4/0 AWG cables for optimal current carrying capacity.
- **Safe and Secure:** Prevents accidental switching with a positive detent mechanism.
- **Versatile Compatibility:** Suitable for 12V and 24V systems up to 32V DC.
Specifications
The Captain's Take
After years of relying on various battery switches, I've found the Blue Seas H.D. to be the gold standard. Its robust construction and high amperage rating give me the confidence to know my electrical system is secure, whether I'm running high-draw appliances or simply ensuring my battery stays charged while I'm away. It's a small investment that offers big peace of mind.