Overview150A Circuit Breaker: Provides protection in overload or short circuit conditions. No need to worry about electrical damage to your trolling motor. As a blown fuse with thermal auto reset, this overcurrent circuit breaker protects the power supply when the circuit is overloaded/shorted.Wide range of applications: DC amplifiers for automotive AV systems, automobiles, electromechanical equipment, vehicles, ships, ATVs, RVs, off-road, special vehicles, yachts and marine, heavy duty and truck applications, battery chargers, automotive engine electrical controls, etc. System overload protection.High-quality material: Bakelite material, s that it has high mechanical strength, good insulation properties, heat and corrosion resistance and built-in high-current terminals, high-sensitivity, high-tech waterproof housing with protective rubber bolt caps that can Protect your trolling motor from electrical damage and save money on fuse replacements.Simple Operation: Using the manual reset arm and the red on on the circuit breaker, we can easily open the circuit switch and use it as a kill switch. Please do not close the reset arm directly by hard pushing.Manual Reset Design Manual reset on, the red on on the circuit breaker can be used as the main disconnect switch of the circuit, and can also be used as a kill switch.