Circuit interrupter including indicator circuit
US8975545B2 · kind B2 · utility
2Cited by
3References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 22, 2012 |
| Grant date | Mar 10, 2015 |
| Priority date | — |
| Expiry date | Mar 9, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY04S20/14
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A circuit interrupter includes an enclosure; a first terminal; a second terminal; separable contacts electrically connected between the first and second terminals; an operating mechanism structured to open and close the separable contacts; and an indicator circuit electrically interconnected with the second terminal The indicator circuit is structured to indicate occurrence of a signal at the second terminal. The signal has a frequency substantially greater than a power line frequency.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.