Blue Sea Systems 5028 ST Blade Fuse Block with Cover – 6 Circuit without Negative Bus is a Blue Sea Systems fuse block built for branch and main circuit protection. Designed for marine environments, it supports reliable performance, clean installation, and long service life in demanding onboard electrical systems.
5028 ST Blade Fuse Block w/ Cover 6 Circuit w/out Negative Bus Clear insulating cover with label recesses accept Small Format Labels Cover Satisfies ABYC/USCG requirements for insulation Tin-plated copper buses and fuse clips give 30 Amperes rating per circuit Accepts ATO and ATC fast acting blade fuses 20 write-on circuit labels included .
Key specs: Circuit Count: 6.
Ideal for builders, refit projects, and serious boat owners who want marine-grade electrical hardware from a trusted brand.













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