Patent · US Active

Double break installation switchgear

US8138862B2 · kind B2 · utility

4Cited by

22References

9Claims

0Family size

Assignee

ABB AG · US

Inventors

Ralf Mueller · Germersheim, DE
Frank Hustert · Philippsburg, DE
Hans-Peter Weyand · Kastellaun, DE

Key dates

Filing date	Nov 8, 2007
Grant date	Mar 20, 2012
Priority date	—
Expiry date	Aug 27, 2028

Classification

Technology area (CPC H)Electricity
CPC primaryH01H71/2418
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

An installation switching device having at least one pole current path comprises two stationary contact pieces; a moving contact bridge including two moving contact pieces forming a double-break pole with the two stationary contact pieces; a contact pressure spring exerting a pressure on the moving contact bridge in a closing direction of the moving contact bridge; a pusher configured to act on the moving contact bridge counter to the pressure of the contact pressure spring in an opening direction, the pusher including a slide and a striking pin disposed moveably relative to the moving contact bridge and to one another in a movement direction of the moving contact bridge; a switch latch having a latching point; an operating lever configured to act on the pusher; and an electromagnetic release having an impact armature.

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