Commodore On/Off Battery Disconnect Switch – Marine Boat Replacement Part is organized for ignition & electrical engine parts shoppers who need a clear, professional marine parts buying experience.On/Off Battery Disconnect Switch The Commodore On/Off Battery Disconnect Switch provides a reliable, durable, and safe solution for managing your marine or RV electrical systems. With a 300A continuous rating and a 900A cranking rating, this battery switch is designed to handle high-power applications, ensuring stable operation for your boat, RV, or off-grid systems. Its tin-plated copper studs offer superior conductivity and corrosion resistance, while the IP66-rated isolating cover provides robust protection against water and debris. This versatile switch can be surface-mounted or flush-mounted, with snap-off side pieces allowing wiring access from any direction. Designed to meet stringentFitment & Product Details Brand / Manufacturer: Commodore Material: copper Search-optimized by brand, system, part type, and fitment cues. Verify compatibility with your original part number, engine model, and application before ordering. Built for boat owners, e-commerce shoppers, and professional marine service teams.