1、Its sensitivity is very high, can protects circuit electrical appliances in time. 2、After disconnecting and troubleshooting, it can be manually resumed and used manually. 3、It can control high current circuit. 4、Leakage protections and overload protections. 5、Fine conductivity and craftsmanship, high temperature resistant. 6、There are four types of fuses, 5A, 10A, 15A, and 20A, each with a different color for easy differentiation. Applicable to: When the car is equipped with a speaker, a car double battery isolator, a winch, etc., it is used to protects the line. Recoverable insurance automatically disconnects the protections circuit when the current reaches a predetermined value. Features: Its sensitivity is very high, can protects circuit electrical appliances in time. After disconnecting and troubleshooting, it can be manually resumed and used manually. It can control high current circuit. Leakage protections and overload protections. Fine conductivity and craftsmanship, high temperature resistant. There are four types of fuses, 5A, 10A, 15A, and 20A, each with a different color for easy differentiation. Specifications: Main color: black Main material: PBT+PC Applicable fuse: ATC/0287/0257 Rated current: total current 100A Max, singlecircuit current recommended not to exceed 20A Rated voltage: 32VDC Item size: 138 * 85 * 37mm / 5.4 * 3.3 * 1.5in Package size: 195 * 97 * 47mm / 7.7 * 3.8 * 1.9in Package weight: 340g / 12.0ounce Packing List: 1 * Fuse Box 4 * Screws 2 * Sticker 6 * 5A Fuse 6 * 10A Fuse 6 * 15A Fuse 6 * 20A Fuse 1 * Fuse Box 4 * Screws 2 * Sticker 6 * 5A Fuse 6 * 10A Fuse 6 * 15A Fuse 6 * 20A Fuse