Patent · US Active

Low-voltage switching device having a defined cooling arrangement

US11304330B2 · kind B2 · utility

0Cited by

5References

20Claims

0Family size

Assignee

Siemens Aktiengesellschaft · DE

Inventors

Norbert Reichenbach · Amberg, DE
Peter Kaesbauer · Schwandorf, DE

Key dates

Filing date	Nov 14, 2018
Grant date	Apr 12, 2022
Priority date	—
Expiry date	Nov 25, 2038

Classification

Technology area (CPC H)Electricity
CPC primaryH05K7/2089
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

A low-voltage switching device with a nominal device current range of up to 650 A, includes a defined cooling arrangement with a structure that has a lower and an upper device region. Power-electronic components are arranged in the lower device region. In at least one embodiment, only one coolant is provided in the low-voltage switching device. A second coolant is replaced with defined air flow channels.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.