Switch gear

Abstract

To provide a switch gear that can cool a device in a housing without using a fan for ventilating the inside of the housing.SOLUTION: A switch gear 100 comprises: a housing 1 having a top plate 112; a heat source part 2 that is provided in the housing 1 and has a device 22 that generates heat by operating; an air inlet port 3 facing external air outside the housing 1; an air supply port 41 facing the housing 1; a flow channel 42 that connects the air inlet port 3 to the air supply port 41; and an air exhaust port 114 that penetrates the top plate 112 of the housing 1. The air supply port 41 is arranged at a position opposite the heat source part 2. In a cross direction, at least part of the air exhaust port 114 is arranged at a position that overlaps the air supply port 41.SELECTED DRAWING: Figure 2

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