Interchangeable solid state and thermal-magnetic trip units
US4064469A · kind A · utility
11Cited by
4References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 12, 1976 |
| Grant date | Dec 20, 1977 |
| Priority date | — |
| Expiry date | Apr 12, 1996 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H71/7409
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A removable and replaceable solid state trip unit assembly for automatically opening a molded case multi-pole circuit breaker, is constructed so as to be interchangeable with a thermal-magnetic trip unit assembly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.