A. 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. B. It has an elaborate 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 durable and can provide long - term stable protection for circuits. C. 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. Additionally, it is generally applicable to various vehicle models and can be adapted to different vehicle circuit systems. D. This circuit breaker offers multiple specifications to choose from, including 30A, 40A, 50A, 60A, 80A, 100A, 150A, 200A, 250A, and 300A, which can meet 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 an authorized private brand, and its quality is trustworthy. It is a good option for safeguarding vehicle circuits as well as protecting the electrical systems of yachts and RVs.