Blue Sea Systems 5015 ST Glass Fuse Block with Negative Bus is a Blue Sea Systems fuse block built for fuse-based circuit protection and distribution. Designed for marine environments, it supports reliable performance, clean installation, and long service life in demanding onboard electrical systems.
5015 ST Glass Fuse Block with Negative Bus Features: Clear insulating cover with label recesses for accept Large Format Labels Cover insulates all conductive parts, satisfying ABYC/USCG requirements and storing spare fuses Tin-plated copper buses and Phosphor Bronze fuse clips give 30 Ampere rating per circuit Accepts AGC (Fast Acting), MDL (Time-Delay) and all other 3AG Glass Fuses .
This component is suited for boat electrical upgrades, repairs, and new installations where dependable power management and serviceability matter.
Ideal for builders, refit projects, and serious boat owners who want marine-grade electrical hardware from a trusted brand.
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