Product Overview
Battery Switch 'M' 4 Position

Take command of your boat's electrical system with the Blue Seas Battery Switch 'M' 4 Position. This robust and versatile switch provides ultimate control and safety for your dual battery setup, ensuring seamless power delivery and preventing battery drain. Whether you're switching between batteries, combining them for extra power, or isolating them for maintenance, this switch offers peace of mind and reliable performance in demanding marine environments.
Key Features
- **4-Position Selectivity:** Choose from Battery 1, Battery 2, Both (combined), or OFF, providing complete control over your power sources.
- **Make-Before-Break Design:** Switch between battery banks without interrupting power to essential electronics and equipment.
- **High-Amperage Ratings:** Handles heavy loads with a 300A continuous rating, 500A intermittent rating (5 min), and 900A starting rating (30 sec). Ideal for outboards and small gasoline or diesel engines.
- **Durable Construction:** Built with tinned copper studs for maximum conductivity and corrosion resistance, ensuring long-lasting performance in harsh marine conditions.
- **Versatile Mounting Options:** Easily install the switch on a surface, rear panel, or front panel, accommodating various boat layouts.
- **IP66 Waterproof Rating:** Protected against powerful water jets, providing reliable operation even in wet conditions.
- **Clear Cable Clearance:** Accommodates 4/0 AWG (120mm²) cables with ample clearance, simplifying installation and preventing overheating.
- **Easy-to-Use Knob:** Provides positive tactile feedback, allowing for confident operation even in rough seas.
Specifications
The Captain's Take
I've relied on Blue Seas products for years, and their Battery Switch 'M' 4 Position is no exception. Its rugged build, easy operation, and multiple switching options give me the control and confidence I need to manage my boat's electrical system efficiently and safely. This switch is a must-have for any serious boater looking for reliable power management.