Circuit interrupter with audible indication and method of operating a circuit interrupter
US10727018B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 27, 2017 |
| Grant date | Jul 28, 2020 |
| Priority date | — |
| Expiry date | Oct 10, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02H3/07
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A circuit interrupter including a line conductor, a neutral conductor, separable contacts structured to open to interrupt current flowing through the line and neutral conductors, a circuit interrupter circuit structured to detect a fault based on current flowing through the line and neutral conductors and to output a trip signal in response to detecting the fault, a trip circuit structured to trip open the separable contacts in response to the trip signal, and an audible indicator circuit electrically connected between the line and neutral conductors and being structured to output an audible sound in response to the trip circuit tripping open the separable contacts.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.