Blue Sea Systems 5139 40AMP MAXI Fuse is a Blue Sea Systems fuse 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.
5139 40AMP MAXI Fuse Features: Economical Tin-plated connector blades for corrosion resistance Visible indication of blown condition .
Key specs: Amperage: 40 A.
Ideal for builders, refit projects, and serious boat owners who want marine-grade electrical hardware from a trusted brand.
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