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