MCB Accessories focuses on miniature circuit breakers (MCBs) and expansion solutions, with modular design and high breaking capacity as the core, and provides NKC1/NKC2/NKC7/NKC9 and NZ47 series accessories. The entire series supports 1P-4P configuration, adapts to AC 230V/400V voltage, and has a breaking capacity of 6kA-10kA (NKC7 series) and economical 3kA-4.5kA (NZ47 series). They are all IEC 60898 certified to ensure fast response to overload/short circuit. The product adopts an 18mm ultra-thin and extremely wide design, withstands temperature changes from -5℃ to 40℃, has an IP20 protection level, supports auxiliary contacts, alarm modules and surge protector expansion, and flexibly meets the power distribution needs of homes, businesses and industries. With high reliability, compact structure and standardized interfaces, this category enables the upgrade of intelligent power distribution systems with safe and reliable performance.