Circuit breaker with adjustable trip unit
US4603312A · kind A · utility
16Cited by
3References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 21, 1985 |
| Grant date | Jul 29, 1986 |
| Priority date | — |
| Expiry date | Mar 21, 2005 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/206
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A circuit breaker characterized by a housing and a circuit breaker structure within the housing and comprising an electromagnetic trip including a magnetic yoke and armature and means associated with the armature for adjusting the electromagnetic force required to pull the armature to the yoke, whereby changing of the force requirement results in significant reduction in operating time of the trip unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.