A movable contactor assembly for a current limiting type MCCB comprising: a terminal base; a plurality of movable contactors having a cam surface portion; a pair of holder plates supporting the movable contactors; a plurality of first springs providing an elastic force to the movable contactors; a plurality of extending plate portions provided to face the side of one end portion of each of the movable contactors so as to be electrically connected with the movable contactors; a plurality of flexible wire plates electrically connecting the movable contactors and the terminal base and having a portion bendable toward the movable contactors or toward the extending plate portions; and a second spring providing an elastic force to the flexible wire plates so as to be tightly attached to the movable contactor.