Blue Sea Systems 5021 Water Resistant Fuse Holder 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.
Water Resistant Fuse Holder Panel Mount Rated IP66 on front – protected against powerful water jets 20A Max. fuse amperage 0.50" (12.70mm) mounting hole Fuse sold separately .
Key specs: Amperage: 20 A.
Ideal for builders, refit projects, and serious boat owners who want marine-grade electrical hardware from a trusted brand.
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