Rail-mounted MCB (Miniature Circuit Breaker) is a high-quality, compact protection device designed to safeguard electrical circuits against overloads and short circuits in residential, commercial, and industrial applications. Engineered to international standards, MCBs offer reliable tripping performance, long mechanical and electrical life, and easy DIN-rail installation for quick integration into distribution boards. With precise current limiting, robust construction, and a wide range of pole configurations and current ratings, ABB MCBs ensure enhanced safety, operational reliability, and efficient circuit protection in modern electrical systems