Shuttered receptacle for a protective device
US6969801B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 21, 2003 |
| Grant date | Nov 29, 2005 |
| Priority date | — |
| Expiry date | Sep 19, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02H3/338
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention is a protection device that is coupled to a power source in an electric power distribution system. The protection device is configured to protect a portion of the power distribution system from at least one fault condition. The device includes line terminals configured to be coupled to the power source when a proper wiring condition is effected. A receptacle member includes receptacle openings configured to accommodate plug contact blades. Receptacle contacts are disposed in the receptacle member and coupled to the line terminals. An electrical connection is established between the receptacle contacts and the line terminals. At least one protective shutter is movable between a closed position and an open position. The at least one protective shutter is disposed between the receptacle openings and the receptacle contacts in the closed position to prevent the plug blades from making contact with the receptacle contacts. A mis-wiring sensor is coupled to the line terminals. The mis-wiring sensor is configured to sense the proper wiring condition and actuate the protective shutter in response thereto, such that the protective shutter moves from the closed position…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.