SUPERIOR PRODUCT FUNCTION: Our circuit breaker is designed to protect your trolling motor and other devices from electrical damage. It prevents excessive current flow and stops power surges from damaging Amps, ensuring the longevity and reliability of your devices. INNOVATIVE MANUAL RESET DESIGN: This one-of-a-kind 12v circuit breaker uses a unique surface mount design that combines switching and circuit protection for maximum efficiency. Features include an easy-to-use manual reset arm, automatic testing and manual override capabilities, and a pull-to-trip lever that functions as an on-off switch. This circuit breaker is designed for easy installation on the panel or firewall. PREMIUM QUALITY: Our circuit breaker is designed with large clearance around terminal studs to accept up to 1/0 AWG wire lugs. It also features recessed mounting holes for a clean and streamlined appearance. The robust 5/16Inch-18 terminals provide high torque connections for maximum reliability. IGNITION PROTECTED: Equipped with a manual reset button, our circuit breaker meets SAE 1171 external circuit protection requirements. It operates under a DC 12V-48V range to provide you with a wider scope of operation for all your applications. VERSATILE WIDE APPLICATION: Specifically engineered for marine applications, our high amperage circuit breakers are also suited for use in trucks, buses, RVs, and solar systems. They are also perfect for battery chargers and DC audio systems, making them an perfect choice for a wide range of applications. Type:300 Amp Colour:Black Material:Plastic Package Contents: 1 * Circuit Breaker 2 * terminals 3 * screws (colors are random, no specification is accepted) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.