Mechanically controlled switch with automatic opening
US4470028A · kind A · utility
20Cited by
6References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 9, 1982 |
| Grant date | Sep 4, 1984 |
| Priority date | — |
| Expiry date | Nov 9, 2002 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H71/2463
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A mechanically controlled power switch with automatic opening is provided for limiting short circuits. A switch (13), a breaking chamber (30) which is associated therewith, a coil (50), a striker (51) cooperating therewith, and a lock (53) for holding the power switch in open position S after the appearance of a short circuit are placed in a removable cartridge (23) provided with connection terminals (37, 55). This switch cartridge is advantageously used in mechanically controlled protection apparatus or in electromagnetic contactor apparatus having their own protection.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.