Blue Sea Systems 5046B ST-Blade Compact 8-Circuit Fuse Block

Blue Sea Systems ST-Blade Compact 8-Circuit Fuse Block (5046B-BSS / 5046)

The Blue Sea Systems 5046B-BSS (Catalog SKU: 5046) is a space-saving ST-Blade Compact 8-Circuit Fuse Block engineered to provide centralized DC branch circuit protection on boats, specialty vehicles, RVs, and off-grid power systems. Designed to accept standard ATO/ATC blade fuses as well as easyID illuminated fuses, it features a single-sided wiring entry layout that minimizes footprint and simplifies harness routing.

Constructed from tin-plated copper busbars and corrosion-resistant fuse clips, the unit supports up to 100 A total block capacity and 30 A per individual branch circuit. The included insulating cover satisfies ABYC and USCG safety requirements, providing IP66 ingress protection and SAE J1171 / ISO 8846 ignition protection when fully latched, making it safe for installation in engine rooms and gasoline tank compartments.

• Ignition protected when cover is secure –meets ISO 8846 and SAE J1171 for use in a gasoline engine compartment
• Single side design allows wire entry from one side to minimize footprint
• Insulating cover meets ABYC/USCG insulation requirements
• Tin-plated copper buses and fuse clips
• Accepts ring or snap fork type terminals
• Includes 8 write-on circuit labels
• Fuses sold separately