Blue Sea 7228 AC / DC Single Pole Magnetic World Circuit Breaker - 50 Amp

The Blue Sea 7228 AC / DC Single Pole Magnetic World Circuit Breaker – 50 Amp is the marine electrical protection standard trusted by serious boaters, anglers, and yacht owners worldwide. After decades on the water, any experienced captain knows that a reliable circuit breaker is non-negotiable—it's the silent guardian between your boat's electrical system and catastrophic failure. This compact, single-pole breaker handles both AC and DC power sources, making it the versatile backbone of modern marine electrical panels on everything from center console fishing boats to cruising sailboats.

Built to meet all American Boat and Yacht Council (ABYC) Standards and recognized under UL 1077, this breaker incorporates magnetic trip technology that responds instantly to dangerous overcurrent conditions—protecting your boat's wiring, electronics, and equipment from fire risk and electrical damage. The 50-amp rating handles substantial loads typical of modern marine systems: trolling motors, battery chargers, inverters, and integrated navigation suites. Its compact footprint (3 x 1 x 5 inches) fits standard marine electrical panels without requiring costly retrofitting, while international certifications (TUV, CE, CSA) ensure compatibility whether you're cruising domestic waters or heading offshore to international ports.

This breaker is essential for boat owners upgrading aging electrical systems, installing new battery banks, or adding high-draw accessories like electric windlasses or mega-watt chargers. Installers and marine electricians specify it because it's proven, certified, and rated for the demanding salt-air and vibration environment that boats impose. Whether you're wiring a new build or retrofitting an established hull, the Blue Sea 7228 delivers the peace of mind that comes from knowing your electrical system is protected by an industry-standard component designed and tested for real-world marine service.