Switching assembly and panel power supply installation device

The utility model discloses a switching assembly and a flat panel power supply installation device, the switching assembly comprises a first part and a second part, and the first part and the second part are fastened and connected through a first fastener; the second component comprises two guide rail clamping parts, the two guide rail clamping parts are provided with clamping openings, and the clamping openings of the two guide rail clamping parts are oppositely arranged. When the panel power supply is installed, the two switching assemblies are adopted, the second parts of the two switching assemblies are clamped and fixed to the guide rails, after clamping and fixing, the first parts are kept perpendicular to the guide rails, then the panel power supply is placed in the limiting space formed by the two first parts, and the panel power supply is clamped and fixed. The panel power supply is installed on the guide rail in a lossless mode, the use environment is directly upgraded, the installation and use envi