One of the prominent manufacturers of miniature circuit breakers (MCBs) is Schneider Electric. Schneider Electric offers a comprehensive range of MCBs designed for residential, commercial, and industrial applications. Their MCBs are known for their reliability, durability, and advanced protection features.

Another leading manufacturer of MCBs is Siemens. Siemens produces a wide variety of MCBs tailored to different voltage ratings, breaking capacities, and installation requirements. Their MCBs are widely used in electrical distribution systems around the world.

ABB (ASEA Brown Boveri) is also a notable manufacturer of miniature circuit breakers. ABB's MCBs are known for their high performance, safety features, and versatility, catering to the needs of various industries and applications.

Other well-known manufacturers of miniature circuit breakers include Eaton Corporation, Mitsubishi Electric Corporation, Legrand, Hager Group, and Crabtree (a brand under the Havells Group). These companies offer a diverse range of MCB products, ensuring customers have access to reliable and high-quality circuit protection solutions for their electrical systems.