Heavy Duty 300A Battery Disconnect Switch 4 Position 1 Both 2 Off With Knob Make Before Break Contact Design Waterproof Ignition Protected Power Cutoff for Marine Boat Car RV Truck Battery 12V to 48V Includes 4 Screws

Heavy Duty 300A 4-Position Battery Disconnect Switch
✔️ Single unit, 1-Both-2-Off knob, ignition-safe, 12V-48V DC

This heavy duty battery disconnect switch with a 1-Both-2-Off knob is designed to safely isolate or combine battery banks. It's ideal for marine boats, RVs, trucks, and off-road vehicles using 12-48V DC systems. It supports surface, front panel, or rear panel mounting and provides ignition-protected operation.

✅ 300A continuous rating at up to 48V DC
✅ Make-before-break contact design for uninterrupted power switching
✅ 1-Both-2-Off 4-position knob with 12V-48V operation
✅ Spark-proof, ignition-protected housing for marine use
✅ ABS housing with tinned copper studs for leak protection
✅ Surface/front/rear panel mounting; includes 4 screws

💡 What is a heavy duty battery disconnect switch used for in marine and RV electrical systems? It's a handy way to manage power by safely isolating or combining battery banks.
- Safe power isolation for idle vehicles and boats.
- Make-before-break design keeps loads powered during switching.
- Ignition-protected housing suitable for gasoline engines and boat apps.