This circuit breaker switch fuse holder is an excellent circuit short-circuit and overload protector, suitable for various scenarios such as cars, yachts, and RVs. It features a delicate design, with dimensions of 51*77*45 (mm) and an overall weight of only 0.093 kg. Small and lightweight yet powerful in function, it is made of zinc alloy, which is sturdy and durable, providing long-term and stable protection for circuits. In terms of performance, it has an extremely 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 universally applicable to various vehicle models and can be adapted to the circuit systems of different vehicles. This circuit breaker offers multiple specifications to choose from, including 30A, 40A, 50A, 60A, 80A, 100A, 150A, 200A, 250A, and 300A, meeting different current requirements. With its outstanding 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 self-owned brand, and its quality is trustworthy. Whether it is to ensure the safety of vehicle circuits or to protect the electrical systems of yachts and RVs, it is your ideal choice.