Method and circuit breaker for reducing arc flash during maintenance in a low voltage power circuit
US7203040B2 · kind B2 · utility
14Cited by
11References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 31, 2004 |
| Grant date | Apr 10, 2007 |
| Priority date | — |
| Expiry date | Oct 27, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02H3/006
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Maintenance trip functions override the normal or specified trip functions of a low voltage circuit breaker to reduce pickup currents and/or time delays to effect faster trips, which reduces arc energy produced by faults during maintenance or testing on a live circuit breaker.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.