Shunt trip device for a molded case circuit breaker
US6441708B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 5, 1999 |
| Grant date | Aug 27, 2002 |
| Priority date | — |
| Expiry date | Nov 5, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H71/465
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The circuit breaker (10) including a molded housing (12) including a main breaker cover (20), a first terminal (18) and a second terminal (16) mounted in the casing with a contact (44) electrically coupled to the first terminal (18) and a movable contact (42) electrically coupled to the second terminal (16). It also includes an operating mechanism (40) having a pivoting member (13) movable between an ON position, an OFF position and a TRIPPED position, wherein the pivoting member (13) is coupled to the movable contact (42). An intermediate latching mechanism (52) is mounted in the housing (12) and coupled to the operating mechanism (40) is in selective operative contact with a trip unit having a trip bar (54). The trip unit is also coupled to the movable contact (42) and the second terminal (16). An accessory socket (22) formed in the main breaker cover (20), on either side of an opening for the pivoting member (13) is in communication with the housing (12). A latching protrusion (26) mounted in the socket (22) engages an accessory (80) installed in the accessory socket (22). An accessory cover (28) sized to cover the accessory (80) mounted in the accessory socket (22) is also prov…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.