Blue Sea 7046 187 - Series Thermal Circuit Breaker - 120Amp

The Blue Sea 7046 187-Series Thermal Circuit Breaker is essential for reliable onboard electrical protection, designed specifically for serious boaters and anglers who require dependable DC power management. This 120-amp thermal breaker is built to withstand harsh marine environments, preventing catastrophic battery drain, fires, and equipment damage caused by short circuits or overloads.

Engineered by Blue Sea Systems, a leader in marine electrical solutions, the 7046 utilizes advanced thermal sensing technology to detect dangerous current spikes and automatically interrupt the circuit to prevent damage. Unlike traditional fuses, thermal breakers like this one respond to sustained overload conditions, offering intelligent protection that minimizes nuisance trips from brief voltage transients typical in marine applications.

Ideal for anglers and boat owners who have invested in advanced electronics and auxiliary power, this breaker is compatible with 12-volt systems and fits seamlessly into modern electrical panels alongside other Blue Sea components for a professional, integrated appearance.