Blue Sea 7157 Short Stop Circuit Breaker - 50A

The Blue Sea 7157 Short Stop Circuit Breaker – 50A is an essential marine electrical protection device trusted by serious anglers and boaters. This compact yet robust circuit breaker serves as the first line of defense against catastrophic electrical faults, ensuring the safety and reliability of your boat's primary DC distribution system. Whether you're navigating saltwater or freshwater, this device is designed to prevent dangerous overcurrent conditions.

Engineered for heavy-draw marine applications, the Blue Sea 7157 features a 50-amp rating and incorporates both thermal and magnetic trip mechanisms. These mechanisms respond instantly to gradual overloads and sudden short circuits, isolating the main power bus to prevent damage. Its corrosion-resistant construction makes it ideal for harsh saltwater environments, while the manual reset feature allows for quick power restoration after a fault is cleared.

Professional captains and experienced boaters often install the Blue Sea 7157 as the main house breaker in their electrical panels. It effectively protects high-amperage loads such as thruster motors, large refrigeration systems, and integrated electronics suites. With straightforward installation, this circuit breaker is a reliable choice for anyone looking to enhance their vessel's electrical safety.