The utility model discloses a switch board is used in electric power marketing, which comprises a housin, the lateral wall is equipped with the septalium of symmetrical arrangement about the casing, the top of casing is provided with the arc top cap, the bottom corner sets of casing has the switch board leg that has the fixed block, the outer wall of casing is provided with the cabinet door, the outer wall of cabinet door is provided with the handle, the left side of handle is provided with the index display screen, the upside of index display screen is equipped with the glass window, the inner chamber of casing is provided with the baffle, the baffle all blocks on the septalium, wired hole is all opened to the baffle, the top from the top down of baffle install in proper order the cable around buckle, converter, block terminal, battery and control box, radiator fan is all installed in the intracavity lateral wall four corners of casing, and temperature sensor is located between the two base angle radiator fan, and rain erosion can be put to this switch board is used in electric power marketing, and inside radiating effect is good, is difficult to moreover produce the short circuit phenomenon, and relative position puts neatly.