Monitoring-and-control drawer for an electrical connection enclosure
US11974409B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 21, 2022 |
| Grant date | Apr 30, 2024 |
| Priority date | — |
| Expiry date | Mar 21, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02B11/133
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A monitoring/control plug-in unit for a connection electrical enclosure comprises functional elements and allow the connection and possibly the operation and/or the surveillance of an electrical load. The monitoring/control plug-in unit able to move within the connection electrical enclosure between an operation position and a test position. The plug-in unit comprises a locking system, which comprises an electromagnetic lock. A control circuit board of the drawer control the functional elements and the electromagnetic lock. The locking system of the plug-in unit is configured to allow the monitoring/control plug-in unit to be locked in the test position or in the operation position independently of the functional elements contained in the plug-in unit, and prior validation of the correct operation of the plug-in unit and/or of the electrical load is needed for unlocking the plug-in unit, this validation being performed by the control circuit board and allowing the electromagnetic lock to be unlocked.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.