The present disclosure relates to a fuse case and a case cover of a vacuum contactor including a truck (10), a main circuit unit (12), and a front cover (15) covering a front side of the main circuit unit. The fuse case and the case cover comprises a fuse (20) connected to an upper terminal of the main circuit unit and blowing, when a fault current is generated in a circuit, to break the circuit. The fuse case and the case cover comprises further a fuse case (30) opened in an upper side, accommodating the fuse (20), and having an insertion coupling part formed on a side surface thereof. A case cover (40) is coupled to an upper side of the fuse case (30), coupled to the insertion coupling part in an insertion-coupling manner, and covering a rear end portion of the fuse, wherein the case cover (40) includes an upper surface portion and side surface portions, and the side surface portions include a first side surface portion and a second side surface portion.