Features: Double circuit waterproof fuses holder with integrated protections for simultaneous direct current circuit safety, featuring compact double terminal design and sealing against moisture/oil intrusion. Nickel plated copper construction ensures optimal conductivity and corrosions resistance, while modular structure enables easy installation and quick fuses replacement with universally components. Ideal for automotive technicians, marine engineers, and Electric vehicle maintenance crews requiring double channel circuit protections for mobile/industrial electrical systems. Performs consistently in humid environments like boats/campers and high demands applications including cranes power systems, battery protections, and charging station main circuits. Combines space saving double fuses capacity with industrial grade durability, offering precise overload cutoff (0.1s response) and thermal stability across 40°C to 125°C operating ranges. Specifications: Component:Metal Current:100-300a,150A,200A,250A,300A Package Includes: 1Piece Fuses Block note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color of the item.