1. This circuit breaker switch fuse holder is an excellent protector against circuit short - circuits and overloads, suitable for various scenarios such as cars, yachts, and RVs. 2. It has a delicate design, with dimensions of 51*77*45 (mm) and an overall weight of only 0.093 kg. Despite its small size and light weight, it is functionally powerful. Made of zinc alloy, it is sturdy and durable, providing long - term and stable protection for the circuit. 3. In terms of performance, it has a wide range of applications. The voltage range is 12 - 48 (V), the power reaches 10 (W), and the signal - to - noise ratio is 10 (dB), ensuring stable operation in different electrical environments. Moreover, it is generally applicable to various vehicle models and can be adapted to the circuit systems of different vehicles. 4. This circuit breaker is available in a variety of specifications, including 30A, 40A, 50A, 60A, 80A, 100A, 150A, 200A, 250A, and 300A, meeting different current requirements. With its good performance, it is sold in regions such as Africa, Europe, South America, Southeast Asia, North America, Northeast Asia, and the Middle East. It also has authorized private brands, and its quality is reliable. Whether it is to ensure the safety of vehicle circuits or protect the electrical systems of yachts and RVs, it is a good choice.