An automatic switch with an arc blast field

Details An automatic switch with an arc blast field An automatic switch with an arc blast field

H - Electricity

01

H

306/226, 306/60

H01H 9/44 (2006.01) H01H 73/18 (2006.01)

Patent

CA 1227826

ABSTRACT OF THE DISCLOSURE An automatic switch wherein a movable switch lever bears a contact element which cooperates with a fixed contact element bonded to a ferromagnetic contact strip which serves to provide a compact arc-extinguishing device. The ferromag- netic metal strip is mounted on the side of the contact ele- ment and/or on the movable switch lever's contact element on the side(s) directed away from the electrical contact sur- face(s). The application of the metal strip, or "blow plate", substantially improves the process of conducting away contact arcs from the contact elements to a set of deionization plates mounted inside the switch assembly.

466446

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