Square D Molded Case Circuit Breakers

Square D molded case circuit breakers (MCCBs), manufactured by Schneider Electric, provide advanced overcurrent and short-circuit protection for commercial, industrial, and institutional electrical distribution systems. Designed to protect feeders, branch circuits, motors, and critical equipment, Square D MCCBs offer higher current ratings and interrupting capacities than standard miniature circuit breakers, making them ideal for demanding power distribution applications. Available in thermal-magnetic and electronic trip configurations with a wide range of amperage ratings and accessories, Square D molded case circuit breakers deliver dependable protection, long service life, and reliable performance in mission-critical electrical systems.