Patent · US Active

Electrical entity with opening of the load current circuit in an explosion-vulnerable environment

US7679881B2 · kind B2 · utility

0Cited by

6References

10Claims

0Family size

Assignee

Siemens Aktiengesellschaft · DE

Inventors

Michael Bräunlich · Chemnitz, DE
Ralf Lohse · Thalheim/Erzgebirge, DE

Key dates

Filing date	Jan 11, 2007
Grant date	Mar 16, 2010
Priority date	—
Expiry date	Mar 18, 2028

Classification

Technology area (CPC H)Electricity
CPC primaryH01H9/042
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

There is described an electrical system including a device which features a load current circuit and connection terminals for connection of the load current circuit. In the supply line to the connection terminals, separation contacts are present for separating the load current circuit during operation of the device. Means for explosion protection are provided in connection with the separation contacts.

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