Blue Sea Systems 4218 Square Format Label Set for Battery Management Panels – 30 is a Blue Sea Systems electrical panel built for switch labeling, lockout, and finishing details. Designed for marine environments, it supports reliable performance, clean installation, and long service life in demanding onboard electrical systems.
4218 Square Format Label Set for Battery Management Panels 30 Black DC Labels 30 Common DC Labels Included with Batery Main Distribution Panels Reinforced, weatherproof material Used on WeatherDeck Waterproof Panels Used on Battery Management Panels Used on 360 panel system .
Key specs: Color: Black.
Ideal for builders, refit projects, and serious boat owners who want marine-grade electrical hardware from a trusted brand.














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