Circuit interrupter having improved current sensing apparatus
US6094330A · kind A · utility
42Cited by
8References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 14, 1998 |
| Grant date | Jul 25, 2000 |
| Priority date | — |
| Expiry date | Jan 14, 2018 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H71/7409
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A circuit interrupter of the type including an electronic trip unit for overcurrent determination which includes a small-sized iron core current transformer to power the trip unit electronics along with a giant magnetic resistor semiconductor (GMR) to sense the current flow within the protected circuit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.