Features Overcurrent, Overvoltage, and Residual Current Protection: Provides comprehensive protection for your car o system, safeguarding it from electrical faults and ensuring uninterrupted performance. Easy Installation: Can be effortlessly installed on any panel or wall, making it convenient for both professional installers and DIY enthusiasts. Waterproof Protective Cover: The circuit breaker comes with a waterproof cover, ensuring durability and reliability in various environmental conditions. Replaces Inline Fuse Holder: An ideal replacement for inline fuse holders, offering a more efficient and reliable solution for o circuit protection. o/Video Overload Protection: Serves as an essential overload protector for your car o and video systems, preventing potential damage and ensuring smooth operation. 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