Electric cabinet with heat dissipation system

An electric cabinet with a heat dissipation system, wherein the electric cabinet comprises a body and multiple electric boards arranged in horizontal rows and along a vertical direction in the body, wherein the heat dissipation system comprises:

• an air inlet disposed on a bottom surface of the body, and an air outlet disposed on a top surface of the body;
• a fan with horizontally arranged fan blades amounted in the body at a position aligned between two electric boards of the multiple electric boards for guiding air to flow from the air inlet to the air outlet;
• and
• multiple sets of air-cooling devices, disposed on sides of the body, wherein each set of the multiple sets of air-cooling devices is associated with one of the electric boards, and wherein at least one set of air-cooling devices is amounted higher than the fan with horizontally arranged fan blades.