Blue Sea Systems 7900 Spare Key for Mini Switch is a Blue Sea Systems battery management built for marine electrical installations. Designed for marine environments, it supports reliable performance, clean installation, and long service life in demanding onboard electrical systems.
Spare key for m-series (mini) Switch (6005) .
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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