Blue Sea Systems MRBF Terminal Fuse Block

Blue Sea Systems is an American brand headquartered in Bellingham, Washington, specializing in the design and manufacture of high-quality electrical components for marine and specialty vehicle environments. The brand was founded in 1992 specifically to address the unique challenges of electrical systems on boats.

Today, the brand is part of the Navico Group, following a series of acquisitions. Blue Sea Systems was acquired by Power Products in 2014, which was later acquired by Brunswick Corporation in 2018. As a result, the ultimate parent company is the Brunswick Corporation, a major American global leader in the marine industry. Manufacturing for this specific product line is conducted in Mexico, reflecting the global supply chain operations of its parent organization while maintaining US-based engineering and design standards.