The present embodiment relates to a power module comprising: a power module frame including side plates and a lower plate; a bracket having bracket hooks coupled to the side plates; a light-emitting device coupled to the bracket; and a lever arranged on the lower plate, wherein the side plates include a bracket groove, to which the bracket hook is coupled, and a lever groove through which a part of the lever passes, the lever includes a first plate having a lever hook inserted in the lever groove, a second plate connected perpendicularly to the first plate, and a handle connected to the second plate.