Patent · US Active

Circuit-breaker and mobile device

US11181563B2 · kind B2 · utility

0Cited by

1References

20Claims

0Family size

Assignee

Siemens Aktiengesellschaft · DE

Inventors

Marco Bruell · Berlin, DE
Christoph Boerzsoenyi · Regensburg, DE
Michael Gerstner · Peoria, US
Ilka Jakubowski · Falkensee, DE

Key dates

Filing date	Sep 17, 2020
Grant date	Nov 23, 2021
Priority date	—
Expiry date	Sep 17, 2040

Classification

Technology area (CPC H)Electricity
CPC primaryH01H2009/0083
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A circuit-breaker includes an electronic trip unit, which initiates an interruption or reduction of the current flow in a low-voltage circuit when current or current-time limits are exceeded in the low-voltage circuit. The electronic trip unit includes at least two processors that independently check whether current or current-time limits are being exceeded. A test signal is fed to the circuit-breaker via a first communication interface, which is fed to one of the two processors during operation so that a test of the circuit-breaker is carried out during operation, while at the same time an active protection is provided with regard to the exceeding of current or current-time limits.

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