Product Overview
H.D. BATTERY SWITCH-4 POS

Take command of your vessel's electrical system with the Blue Seas H.D. BATTERY SWITCH-4 POS. This robust 4-position selector switch provides ultimate control and flexibility for managing dual battery banks, ensuring reliable power for starting, house loads, and emergency situations. Built to withstand the harshest marine environments, this heavy-duty switch offers peace of mind and uninterrupted power delivery for a smooth and worry-free boating experience.
Key Features
- **Heavy-Duty Performance:** 400A continuous rating, 700A intermittent (5 min), and a whopping 1600A starting rating (30 sec) handles the demands of large diesel engines and high-power systems.
- **Four-Position Flexibility:** Select Battery 1, Battery 2, combine both for charging/emergency starting (1+2), or completely isolate both batteries (OFF).
- **Make-Before-Break Design:** Seamlessly switch between battery banks without interrupting power to critical systems.
- **Ignition Protected:** Safe for installation aboard gasoline-powered boats, providing added security.
- **Durable Construction:** Built with tinned copper studs for maximum conductivity and corrosion resistance, ensuring long-lasting performance.
- **Versatile Mounting:** Surface or rear panel mounting options offer flexible installation to fit your vessel's layout.
- **Accepts Large Cables:** Accommodates two 4/0 AWG (120mm²) battery cables per terminal for optimal power delivery.
Specifications
The Captain's Take
After years battling unpredictable seas, I've learned the value of reliable electrical systems. The Blue Seas HD-Series 4-Position Battery Switch is a must-have on my boat. It gives me the confidence to manage my power effectively, knowing I'll have a strong start every time, and the ability to isolate batteries in an emergency is crucial. This switch is built to last, and it's a small investment for the immense peace of mind it provides.