Low-voltage switch cabinet

The invention discloses a low-voltage switch cabinet, which relates to the technical field of switch cabinets and comprises a box body, vertical columns and side beams are arranged in the box body, the vertical columns are located on the periphery of the box body, the side beams are arranged on two opposite sides of the box body, a mounting beam is arranged between the two opposite side beams, and adjusting blocks are arranged between the side beams and the mounting beam. The adjusting blocks are arranged on the outer sides of the side beams and the mounting beams respectively in a wrapping mode, the side beams are provided with a plurality of connecting holes so that the mounting positions of the mounting beams can be adjusted in the horizontal direction to be matched with the actual size of the copper bar, the mounting efficiency can be improved, and fixing is achieved through the adjusting blocks. At least two box bodies are connected in a back-to-back mode, a connecting block is arranged between the two b