Abstract: An inverter device includes a heat generator, a cooler, and a cooler-side housing that covers the cooler and includes an opening that exposes a side of the cooler closer to the heat generator, and a circumferential rib that comes into contact with the cooler is provided in a vicinity of a peripheral edge of the opening of the cooler-side housing.

Abstract: An inverter device includes a heat generator, a cooler, and a cooler-side housing that covers the cooler and includes an opening that exposes a side of the cooler closer to the heat generator, and a circumferential rib that comes into contact with the cooler is provided in a vicinity of a peripheral edge of the opening of the cooler-side housing.

Abstract: An inverter device has an inverter stack and a switchboard housing the inverter stack. The inverter stack has an output relay bar connected to an output terminal thereof, and a lower frame configuring a bottom portion and formed from a plurality of frame members connected to form each side of a cuboid. The lower frame is formed such that the frame members configuring one side of a four-sided frame being penetrated by the output relay bar are formed of a non-magnetic body.

Abstract: An inverter device has an inverter stack and a switchboard housing the inverter stack. The inverter stack has an output relay bar connected to an output terminal thereof, and a lower frame configuring a bottom portion and formed from a plurality of frame members connected to form each side of a cuboid. The lower frame is formed such that the frame members configuring one side of a four-sided frame being penetrated by the output relay bar are formed of a non-magnetic body.

Abstract: An inverter device includes an inverter stack, and a switchboard to insert the inverter stack from a front side to store. The inverter stack, as an output relay unit, linking three phase output terminals and output relay terminals forming the switchboard, alternatively, selects a first output relay unit wherein three phase output relay bars for directly outputting three phases of outputs from the output terminals to the output relay terminals and a fixing plate to fix the three phase output relay bars to the inverter stack are unitized through an insulating member, or a second output relay unit wherein a single-phase output relay bar for outputting three phase outputs from the output terminals as a single phase to the output relay terminals and a fixing plate to fix the single-phase output relay bar to the inverter stack are unitized through an insulating member.