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The ABB SACE Tmax XT is a molded case circuit breaker (MCCB) designed for medium and low voltage power distribution and equipment protection. It features a frame size of 160–1600A and a breaking capacity of 18–200kA. It offers thermal-magnetic/electronic tripping, multiple installation options, and intelligent communication, making it suitable for power distribution, motor, and generator applications. It combines high current limiting, high reliability, and easy integration.
A frame circuit breaker, also known as a universal circuit breaker, is a high-capacity protective electrical appliance used in the main circuit of a power distribution system. It is mainly responsible for the protection and disconnection of overload, short circuit, and ground faults, and also has isolation and control functions. It is suitable for main switches or busbar sectionalizing switches in low-voltage (≤1000V AC/DC) power distribution scenarios.
Used for overload, short circuit protection and isolation of terminal power distribution lines, suitable for residential, commercial and industrial scenarios, rated current 0.2–63A, breaking capacity up to 25kA, with thermal magnetic tripping, multiple poles and tripping characteristics available, and convenient installation and maintenance.
