Product Overview
Battery Switch W/F Disc

Take command of your boat's electrical system with the Perko Marine Battery Switch W/F Disc. This robust and reliable switch offers superior battery management, allowing you to isolate, select, and combine your batteries for optimal performance and peace of mind. Whether you're starting your engine, running accessories, or dealing with a discharged battery, this switch gives you complete control, ensuring a smooth and safe boating experience. Its alternator field disconnect feature provides added protection for your valuable equipment, making it an essential upgrade for any serious boater.
Key Features
- **Alternator Field Disconnect (AFD):** Protects non-unitized alternators from damage if the switch is turned off while the engine is running.
- **Make-Before-Break Design:** Allows for seamless switching between battery banks without interrupting power to critical systems, even while the engine is running.
- **Durable Polycarbonate Body:** Engineered for long-lasting performance in harsh marine environments, resisting corrosion and impact.
- **High-Conductivity Brass Terminals:** Ensures maximum power transfer and minimal voltage drop for efficient operation of your electrical devices.
- **Ignition Protected:** Safe for installation in gasoline engine compartments, minimizing the risk of fire or explosion.
- **250A Continuous / 360A Intermittent Rating:** Handles demanding electrical loads, from powerful starting motors to high-draw accessories.
- **Easy Installation:** Traditional Perko bolt circle allows for straightforward replacement of existing switches.
- **Made in the USA:** Quality craftsmanship and materials you can trust.
Specifications
The Captain's Take
After years on the water, I've learned the hard way that reliable battery management is crucial. The Perko Marine Battery Switch W/F Disc is a must-have on my boat. The AFD feature has saved my alternator more than once, and the make-before-break design is a lifesaver when switching between batteries while underway. It's a tough, well-built switch that gives me the confidence to handle any electrical situation.