


⚡ Protect your power, command your circuit—no compromises.
The Blue Sea Systems 7183 285 Series Thermal Circuit Breaker is a robust 50A, 48V DC surface-mount device that integrates switching and circuit protection. Featuring a trip-free mechanism, ignition protection, and water resistance, it’s engineered for demanding marine and industrial applications. Designed as a direct replacement for the 185 series, it offers easy installation with terminal caps and studs, backed by a 5-year warranty for reliable, long-term performance.





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