Molded case circuit breaker actuator-accessory unit
US4894631A · kind A · utility
16Cited by
8References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 6, 1988 |
| Grant date | Jan 16, 1990 |
| Priority date | — |
| Expiry date | Sep 6, 2008 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H2083/205
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An integrated protection unit is a circuit breaker which includes basic overcurrent protection facility along with selective electrical accessories. A molded plastic accessory access cover secured to the integrated protection unit cover protects the accessory components contained within the integrated protection unit cover from the environment. A combined overcurrent trip actuator and multiple accessory unit can be field-installed within the integrated protection unit. The combined actuator-accessory unit includes electronic control circuitry for the accessories along with mechanical trip and reset interface components.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.