Double load break switch and circuit
US5041808A · kind A · utility
2Cited by
3References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 16, 1990 |
| Grant date | Aug 20, 1991 |
| Priority date | — |
| Expiry date | Nov 16, 2010 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H2300/018
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A multi-pole load break switch having two sets of contacts in each pole connected in series to isolate its fuse. Also disclosed is a circuit incorporating the switches of the invention in a double-ended switch board having two power supplies normally isolated from each other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.