[Versatile and Efficient Power Control]: Our battery switch offers powerful functionality with its 3 position, 3 stud dual circuit design, allowing you to switch a single battery to a single load group. It is the choice for marine or RV applications, providing power control and ensuring the smooth of your electrical systems for Battery Banks]: Our 300A battery switch is designed to isolate potentially destructive energy in the battery banks when your boat is not in use or during emergencies. This ensures the safety and longevity of your battery and electrical systems, giving you peace of mind while on the water or during critical situations [User Friendly Design with IP66 ]: Featuring a label with OFF-1-2, a rotary actuator, and IP66 , our battery switch offers ease of use and durability. The clear instructions and design make it easy to navigate and operate under various weather conditions, ensuring performance even in challenging environments. This user friendly design makes the battery switch an essential component for ships, yachts, RVs, large trucks [Easy and Flexible Installation Options]: With its ignition , our battery switch can be safely installed aboard gasoline powered boats. The versatile case design allows for surface, front panel, or rear panel mounting, giving you the flexibility to adapt to your specific installation requirements with ease [Maximum Conductivity for Optimal Performance]: The battery switch features an isolating ABS plastic shell and a red copper plated silver inner core, ensuring optimal conductivity and minimizing energy loss. This combination of materials guarantees stable and efficient power , providing performance for your electrical systems