Door locking apparatus and an enclosure having the same

A door locking apparatus comprising:

• an operation unit installed on a door for opening/closing a body frame;
• a locking plate installed in the door to be movable according to an operation of the operation unit between a locked position where the door is locked and an unlocked position where the door is unlocked;
• and
• at least one locking unit installed on the locking plate, and inserted into a locking hole formed in the locking plate in a locked position of the locking plate and released from the locking hole in an unlocked position of the locking plate,
• wherein when plural locking units are provided, at least one of the locking units comprises an unlocking restraint module restraining the movement of the locking plate in an unlocking direction when the locking unit is moved in the unlocking direction.