A connector (10) according to this disclosure includes an insulator (20) into/from which a connection object (60) can be inserted/removed and an actuator (50) capable of rotating between a closed position where the actuator closes relative to the insulator (20) and an opened position where the actuator opens relative to the insulator (20). The actuator (50) rotates from the removal side to the insertion side of the connection object (60) with respect to the insulator (20) when moving from the closed position to the opened position and holds the opened position independently.