Surge protective devices, circuits, modules and systems including same
US11223200B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 26, 2018 |
| Grant date | Jan 11, 2022 |
| Priority date | — |
| Expiry date | May 27, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H85/306
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A surge protective device (SPD) includes a first electrical terminal, a second electrical terminal, and an overvoltage protection circuit connected between the first and second electrical terminals. The overvoltage protection circuit includes a gas discharge tube and a current management circuit connected in series to the gas discharge tube. The current management circuit includes a varistor and a resistor that are connected in parallel between a first node of the current management circuit and a second node of the current management circuit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.