Features Reliable Overcurrent Protection: Safeguard your car o system with this circuit breaker, offering overcurrent, overvoltage, residual current, and over-charge protection for enhanced safety and peace of mind. Easy Installation: Simplify the installation process by easily mounting this circuit breaker on any panel or wall, making it a convenient choice for your car o system setup. Waterproof Protection: Featuring a waterproof protective cover, this circuit breaker is designed to withstand various environmental conditions, ensuring durability and longevity. Versatile Compatibility: Suitable for use in place of an inline fuse holder, this manual reset circuit breaker is specifically designed for car o systems, providing reliable overload protection for your o and video equipment. Specification: Operation mode: electronic Input voltage: 12-42V DC High current protection(Optional): 50A, 80A, 100A, 150A, 200A, 250A, 300A Breaking speed: normal breaking speed Extinguishing arcing capacity: medium Structure: ACB Polar number: monopole Product size: 74 x 49 x 45mm/2.91 x 1.93 x 1.77inch Stud: 1/4"-28 Product color: black plastic Operating temperature: - 32 ° C ~ 82 ° C Weight: 85g Package Included: 1 x Circuit Breaker Package List