Ground fault circuit breaker with test spring/contacts directly mounted to test circuit of printed circuit board
US5293522A · kind A · utility
61Cited by
3References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 11, 1992 |
| Grant date | Mar 8, 1994 |
| Priority date | — |
| Expiry date | Sep 11, 2012 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H83/04
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A ground fault circuit breaker in which both the fixed and movable contacts of the ground fault test switch are directly secured to the printed circuit board on which the ground fault detection circuit is implemented, with the movable contact also providing the spring bias for the test button.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.