Thermally adjustable circuit breaker
US4030060A · kind A · utility
2Cited by
3References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 26, 1976 |
| Grant date | Jun 14, 1977 |
| Priority date | — |
| Expiry date | Feb 26, 1996 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H71/525
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A multi-pole circuit breaker characterized by a circuit breaker structure including a releasable arm for opening a circuit through the breaker, a bimetal element for each pole which is responsive to an overload current condition to effect release of the releasable arm, a latch bracket and a trip bar coaxially mounted and having an adjustment screw to vary the position of the trip bar in relation to the bimetal to change thermal rating of the circuit breaker.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.