Battery disconnect apparatus

A battery disconnect apparatus comprising:

• a lower case comprising a mounting space having an opened upper portion and formed in a first axis direction which is a length direction of the lower case, and a receiving space having an open upper portion and formed to be adjacent to the mounting space in a second axis direction which is a width direction of the lower case while being partitioned from the mounting space by a partition wall;
• a plurality of relays each individually mounted in the mounting space;
• a circuit board mounted in the receiving space through the open upper portion of the receiving space and comprising an external connection terminal for electrical connection to the outside;
• and
• an upper case coupled to the lower case to be able to cover the open upper portions of the mounting space and the receiving space,
• wherein the circuit board is mounted in the receiving space to be arranged perpendicular to a bottom surface of the receiving space.