Blue Sea 7156 Short Stop Circuit Breaker - 40A

The Blue Sea 7156 Short Stop Circuit Breaker – 40A is an essential electrical protection component for any vessel serious about safe power management. Whether you're running a center console, cruiser, or fishing boat with substantial electrical loads, this 40-amp manual reset breaker serves as the critical link between your battery bank and main distribution systems.

Engineered to trip instantly when circuit current exceeds the 40A threshold, this breaker cuts power before heat damage occurs in your wiring harness or equipment. The manual reset design requires intentional operator intervention—you physically press the button to restore power after a fault—eliminating the nuisance of automatic resets that mask underlying problems. Its compact dimensions and minimal weight allow integration into tight panel spaces without sacrificing accessibility or performance.

Serious anglers, liveaboard cruisers, and commercial operators rely on the 7156 as the foundation of a bulletproof electrical architecture. This breaker handles the rigorous vibration, moisture, and thermal cycling that marine environments demand, ensuring reliability when it matters most. If you're upgrading a legacy system or installing a new one, the Blue Sea 7156 is a dependable choice.