Blue Sea 187-Series Thermal Circuit Breaker 40A 7038

The Blue Sea 187-Series Thermal Circuit Breaker (model 7038) delivers reliable circuit protection and switching in one compact unit. Designed for demanding marine and automotive environments, it features a 40A capacity and ignition protection, making it safe for use aboard gasoline-powered boats. The waterproof design and robust 5/16" terminals allow for secure installation with heavy gauge wires. Ideal for panel mount applications where durability and safety are priority.