H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
H01H33/66—Vacuum switches
H01H33/664—Contacts; Arc-extinguishing means, e.g. arcing rings
H01H33/6646—Contacts; Arc-extinguishing means, e.g. arcing rings having non flat disc-like contact surface
H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
H01H33/66—Vacuum switches
H01H33/664—Contacts; Arc-extinguishing means, e.g. arcing rings
H01H33/6644—Contacts; Arc-extinguishing means, e.g. arcing rings having coil-like electrical connections between contact rod and the proper contact
H01H33/6645—Contacts; Arc-extinguishing means, e.g. arcing rings having coil-like electrical connections between contact rod and the proper contact in which the coil like electrical connections encircle at least once the contact rod
Landscapes
High-Tension Arc-Extinguishing Switches Without Spraying Means
(AREA)
Contact pour ampoule à vide à moyenne tension à coupure d'arc ameliorée, ampoule à vide et disjoncteur, tel qu'un disjoncteur sectionneur d'alternateur associés
Enroulement pour contact d'ampoule à vide à moyenne tension à coupure d'arc ameliorée, ampoule à vide et disjoncteur, tel qu'un disjoncteur sectionneur d'alternateur associés
Contact pour ampoule a vide a moyenne tension a coupure d'arc amelioree, ampoule a vide et disjoncteur, tel qu'un disjoncteur sectionneur d'alternateur associes.