Circuit breaker with common test button for separate testing of ground fault and ACR fault function
US6285534A · kind A · utility
19Cited by
6References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 25, 2000 |
| Grant date | Sep 4, 2001 |
| Priority date | — |
| Expiry date | Jan 25, 2020 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H2083/201
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A miniature circuit breaker providing arc fault protection and ground fault protection has a common rocker button that selectively deflects orthogonally oriented flat electrically conductive test switch spring contacts of an arc fault test circuit and a ground fault test circuit into engagement with a common contact to test each of these protection functions independently. The pivot axis of the rocker button is parallel to the planes of each of the test switch spring contacts and the button has opposed fingers which preload both of the spring contacts to bias the rocker button to a neutral position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.