Intelligent controller for universal circuit breakers

The utility model relates to an intelligent controller for universal circuit breakers. The intelligent controller comprises a control processor; the control processor is connected with a power source circuit used for providing working voltage for the control processor and is also connected with a USB communication circuit which is in communication connection with an upper computer; the input end of the control processor is connected with a grounding protection processing circuit and a four-phase current processing circuit; the output end of the control processor is connected with a tripping circuit, a signal contact output circuit and a display circuit; the control processor controls the tripping circuit to perform tripping driving according to a working current value inputted by the four-phase current processing circuit and a grounding protection current value inputted by the grounding protection processing circuit; and status indication can be performed through the signal contact output circuit. The intelli