Circuit breaker shunt trip accessory with mechanical override
US5740003A · kind A · utility
5Cited by
14References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 19, 1996 |
| Grant date | Apr 14, 1998 |
| Priority date | — |
| Expiry date | Sep 19, 2016 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H2083/203
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A circuit breaker shunt trip accessory unit contains a solenoid driven plunger that interacts with the circuit breaker operating mechanism to interrupt circuit current by means of an external signal. A mechanical override feature insures operation of a blocked solenoid plunger once the source of the blocking is removed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.