A plug connector part for a plug connector includes a housing part; a plug portion arranged on the housing part for plug-connection to another plug connector part; and a latching element, which is arranged in a movable manner on the housing part, including a latching portion for locking to the other plug connector part, the latching element being movable between a first, locking position for establishing locking between the plug connector part and the other plug connector part and a second, unlocking position for unlocking the plug connector part from the other plug connector part. A handle is arranged on the housing part, and has a handle piece with a securing element arranged on the handle piece so as to be movable in a securing direction to act on the latching element in a securing position to prevent the latching element from moving out of the first, locking position.