Patent · US Expired

High-speed automatic tripping contactor

US4292611A · kind A · utility

28Cited by
3References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 31, 1980
Grant dateSep 29, 1981
Priority date
Expiry dateMar 31, 2000

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01H89/08
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A fast opening contactor comprising an electrodynamic repulsion trip device associated to a standard contactor unit so as to operate the contacts towards the open position against the electromagnetic attraction force in response of a short-circuit current.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.