Molded case circuit breaker field-installable accessories
US5153544A · kind A · utility
16Cited by
3References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 13, 1992 |
| Grant date | Oct 6, 1992 |
| Priority date | — |
| Expiry date | Jan 13, 2012 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H2083/205
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Field-installable accessories are used within a thermal-magnetic industrial-rated circuit breaker. One such accessory in the form of a combined undervoltage release and shunt trip unit is field-installable within the circuit breaker cover. A bell alarm accessory unit can also be inserted within the circuit breaker cover either in combination with or apart from the undervoltage-shunt trip accessory unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.