Efficient Battery Management: Delivers dependable 300A circuit interruption to protect your boat, caravan, or vehicle electrical system. Fully isolates the power source to prevent battery drain during storage, helping maximize battery lifespan. Flexible Application and Performance: Engineered for 1248V DC systems with 300A continuous and 1000A intermittent current capacity. Modular design supports versatile function. Sturdy Material and Durability: Bright chromefinished aluminum body shields internal mechanisms from corrosion and physical impacts. Designed for good weather tolerance and stable performance in demanding conditions, suitable for amperage battery systems requiring failsafe disconnection. Complete Installation Kit: Ready for immediate use, including a key, faceplate, 2 rubber terminal insulators, 2 copper 3/8inch lugs, and 2 heavyduty heat shrink tubes. The kit ensures proper insulation and dependable current connections. Practical Use Scenarios: Marine boats: isolate the battery bank during layup to prevent drain and preserve battery life. RVs and caravans: securely disconnect house or starting batteries during storage or maintenance. Offgrid or automotive systems: current disconnect for safe servicing and reliable operation in harsh environments.