Electrical switchboard apparatus including bus system with individual phase isolation
US4118639A · kind A · utility
9Cited by
3References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 30, 1976 |
| Grant date | Oct 3, 1978 |
| Priority date | — |
| Expiry date | Dec 30, 1996 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02B1/21
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electrical distribution switchboard including a multiphase horizontal main bus and a multiphase vertical riser bus. A plurality of protective members are provided, each being vacuum formed from a thermoplastic carbonate-linked polymer material. Separate protective members are provided for each individual phase conductor of the horizontal and vertical bus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.