Optimal Conductivity6 Circuit Fuse Block Box is applied to ATC/ATO (Middle Size) fuses, which has positive & negative side. It means every positive terminal screw has a negative one. Max operating voltage: 32V DC; Max 30A per circuit & 100A per panel. Superior & Safe MaterialMade of eco-friendly PBT material, this fuse holder meets all the standards of fine fuse block boxes, which has high mechanical strength, good insulation, heat & flame resistance. It hardly lead to break, deformation, combustion or short-circuit. Protective CoverEngineered for splash protection & dust prevention, transparent plastic cover with push latch system helps you easy to open and also adds extra safety to the box and fuses. Marine-grade stainless steel input & output screws have high performance of anti-corrosion. Convenient StickerComes with multifunctional DIY sticker for convenient examination & repair. You can easy to identify which appliance is going wrong. Perfect for outdoor troubleshooting. Widely UseOur 6-Circuit Blade Fuse Box is widely used in cars, buses, tankers, boats, marines, trucks, SUV, Yacht, RV, Ships, etc. Make wiring clean & tidy. Package includes: 6-Way Fuse Block Box with Dust Cover, 3* 20A Fuse, 3* 15A Fuse, 2* 10A Fuse, 2* 5A Fuse, 2* Labels, 4* Screws