Patent ID: 8587393
Filing Date: 2013-11-19
Classification: H01H

Abstract:
1. Protection device for a low voltage automatic circuit breaker characterized in that it comprises a magnetic circuit with air gap (T), said circuit comprising: a first portion forming a first surface of said air gap (T), said first portion defining a fixed section of said magnetic circuit; a second portion forming a second surface of said air gap (T) which faces said first surface of said first portion, said second portion constituting a moving section of said magnetic circuit; an elastic flexible portion that connects said first portion to said second portion with continuity, forming an intermediate section of magnetic circuit interposed between said fixed section and said moving section, said flexible portion allowing a relative movement of said second surface with respect to said first surface; said protection device also comprising an actuation element associated with said second portion of said magnetic circuit; wherein the first portion, the second portion and the elastic flexible portion collectively form a single component.