The invention relates to an integrated electronic current and voltage transformer circuit breaker, and belongs to the field of high voltage electricity. An electronic current and voltage transformer is connected with the wire outlet bushing base of a circuit breaker tank through a connecting flange; the wire outlet bushing base is fixedly connected with the upper side of the electronic current and voltage transformer; a sealed lead socket is fixedly connected with the side face of the metal body of the electronic current and voltage transformer; a collection box is fixedly connected with the tripod of the circuit breaker tank; and a signal cable with current and voltage measuring signals is connected with the sealed lead socket and the collection box. The circuit breaker has the advantages that the structure is novel, the current and voltage sensing components are nested and combined into one assembly of the circuit breaker, then the assembly is combined and assembled with the tank type circuit breaker, the production cost is reduced, the device land occupation is reduced, the integrally designed intelligent circuit breaker is formed, a deeply integrated electronic device unit is provided for a new generation intelligent substation, and the circuit breaker has the advantage of integration.