Module plug for an electronic trip unit
US6678135B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 12, 2001 |
| Grant date | Jan 13, 2004 |
| Priority date | — |
| Expiry date | Sep 12, 2021 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H71/7409
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electronic trip unit for a circuit breaker includes: a microprocessor, the microprocessor programmed to determine an overcurrent condition of the circuit breaker; a nonvolatile memory in electronic communication with the microprocessor; a module plug releasably engaged with the microprocessor, the module plug includes an identification register; wherein the microprocessor reads the identification register, the identification register including an identification number; wherein the microprocessor accesses one of a plurality of programs in the nonvolatile memory based the identification number; and wherein the one of a plurality of programs instructs the microprocessor to perform steps necessary to operate one or more functions of the module plug.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.