Patent · US Active

Electrical service switching device

US7839241B2 · kind B2 · utility

3Cited by

12References

23Claims

0Family size

Assignee

ABB AG · US

Inventors

Ralf Weber · Duisburg, DE
Erwin Muders · Heidelberg, DE
Klaus-Peter Eppe · Waldbrunn, DE
Joachim Becker · Schwetzingen, DE

Key dates

Filing date	May 21, 2008
Grant date	Nov 23, 2010
Priority date	—
Expiry date	Jul 19, 2028

Classification

Technology area (CPC H)Electricity
CPC primaryH01H71/526
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

The disclosure relates to an electrical service switching device, e.g., a circuit breaker, having a magnetic release with a magnet armature, a thermal release, a fixed and moving contact piece, a switching mechanism which can be tripped by the thermal and magnetic release and has a latching point which is formed by a tripping lever and a catch lever which is mounted in a fixed position such that it can rotate and has an elongated hole in order to guide a clip, wherein the magnet armature can act on the contact lever, to which the moving contact piece is fitted, in order to open the contact point in the event of a short, and the switching mechanism can hold the contact lever permanently in the open position, having a switching toggle for manual operation of the switching mechanism, and having an intermediate lever which is articulated at one of its ends with the contact lever and at its other end on the clip, wherein the clip is articulated with at least one limb on the switching toggle.

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