Blue Sea 5018 ST Glass Fuse Block w/out Negative Bus - 6 Circuit

The Blue Sea 5018 ST Glass Fuse Block without Negative Bus is a 6-circuit marine electrical panel designed for boats and vessels requiring reliable circuit protection and power distribution. Built by Blue Sea Systems, a trusted name in marine electrical safety, this fuse block serves as the backbone of a well-organized electrical system, consolidating multiple circuits into a single, accessible hub.

This fuse block features individual glass fuse protection for six separate circuits, allowing you to customize amperage ratings per circuit based on your specific loads, such as navigation lights, bilge pumps, cabin systems, or auxiliary equipment. The compact 4 x 2 x 8-inch form factor mounts easily in engine rooms, lazarettes, or helm cabinets without consuming valuable space. The absence of a negative bus means you'll run a dedicated negative return directly to your battery or common ground point, simplifying troubleshooting.

This configuration is ideal for retrofit installations on older vessels or for skippers building minimalist electrical architectures who already have a robust ground distribution system in place. The tinned copper terminals ensure excellent conductivity and corrosion resistance, making this fuse block a reliable choice for marine applications.