Blue Sea Systems BSS Circuit Breaker 187 Panel Mount 150AThe Blue Sea Systems 7048B 187Series PanelMount DC Circuit Breaker is a heavy duty thermal breaker rated for 150 A continuous, ideal for DC systems up to 48 V. It integrates both a switch and circuit protection into one compact panel mounted unit, featuring a clear lever and a tripfree design that prevents being held on during a fault. With IP66 waterproofing, ignition protection per SAE J1171, and corrosion resistant 516 studs capable of high torque,