1、Circuit Protection: When the circuit exceeds the safety value, it will automatically disconnect the circuit to protect the electrical appliances. 2、ABS Material: Made of high quality ABS materials and metal components, it has the characteristics of durability. 3、Unique Reset Button: It has a unique push button reset, which is not only safe and reliable but also saves money for changing fuses. 4、Wide Applicability: It is used for overload protection of audio and video systems in automobiles, ships, etc. 5、Exquisite Workmanship: Exquisite workmanship makes it a perfect substitute for damaged circuit breakers. Item Type: Circuit Breaker Material: ABS + Metal Size: Approx. 83 x 67mm/3.3 x 2.6in Product function: When the circuit is short-circuited, the power supply can be automatically cut off to protect the equipment. Scope of application: Suitable for overload protection of car audio/video systems, boats, trucks, buses, RVs, ATV winches, ships and DC sound amplifier systems. Maximum carrying current: 200A Working method: (1) Open circuit protection: When the current reaches the cut-off value, the long car will automatically bounce off and cut off the power supply. Generally, it will open in a short circuit. After the fault is removed, the long handle can be pressed back to its original position. (2) Manual power off: We need to disconnect the circuit when refitting, and directly press the red button on the fuse. At this time, the long handle automatically springs to cut off the power. Connect as above, and then press the long handle back to its original position. Applicable wire gauge: 0GA/4GA Applicable voltage: 12-24V DC 1 x Circuit Breaker 2 x Screw 2 x Compressed Towel 1 x M10 Hex Wrench