Apparatus for auxiliary contact of circuit breaker
US7973622B2 · kind B2 · utility
5Cited by
11References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 20, 2008 |
| Grant date | Jul 5, 2011 |
| Priority date | — |
| Expiry date | Nov 21, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H19/60
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An apparatus for auxiliary contact of circuit breaker is disclosed that is capable of preventing an erroneous operation of and damage to an ON/OFF switch caused by over-stroke of a linkage mounted at an auxiliary contact apparatus, and enhancing reliability despite repeated opening/closing thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.