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A 200A MCCB (Moulded Case Circuit Breaker) is a high-capacity protective device designed to interrupt electrical faults such as overloads, short circuits, and earth faults in circuits rated up to 200 amperes. It is primarily used in industrial, commercial, and large-scale residential electrical distribution systems where higher current loads are present. Unlike basic MCBs, MCCBs offer adjustable thermal and magnetic trip settings, higher breaking capacities, and can integrate with monitoring systems and auxiliary modules for advanced protection and automation.