MasterPact MT is Schneider China model, the same as MasterPact NW. It is a comprehensive range of air circuit breakers designed to protect electrical systems from damage caused by overload, short circuit and equipment ground fault in DC installations (including photovoltaic applications). It embeds MicroLogic control unit to help safety and energy management. The series adopts a unique size with rated current from 1000 to 4000 A.