An electrical quenching module equipped with a magnetic blow-out device , said quenching module comprising a non-magnetic, electrically insulating housing , in which at least one fixed contact (CF) and one moving contact (CM) are housed, said moving contact (CM) being arranged to move relative to said fixed contact (CF) between a closed position and an open position and vice versa on a trajectory defining a quenching plane (P), said fixed contact (CF) and said movable contact (CM) defining between them a quenching zone (Z) extending into said quenching plane (P), into which an electric arc (E) extends at its origin, in particular when the electrical circuit is opened, said quenching module comprising at least one quenching chamber delimited by the inner walls of said housing and comprising said quenching zone (Z) for managing said electric arc (E) in order to quench the current, said magnetic blow-out device comprising at least one magnetic source field arranged in said quenching chamber opposite said quenching zone (Z), characterized in that said at least one magnetic source field is oriented to generate at least one magnetic excitation vector (M) substantially parallel to said quenching plane (P) so that the induced electromagnetic force (F) displaces and stretches said electric arc (E) in a direction substantially perpendicular to said quenching plane (P) towards the housing , and in that said magnetic blow-out device further comprises at least one non-magnetic and electrically insulating deflector arranged in said quenching chamber to form a physical obstacle in the path of the electric arc (E) when it is magnetically blown-out, - said deflector consisting of a solid one-piece part or of an openwork one-piece part, the deflector occupying most of the space existing between said quenching zone (Z) and said housing in the direction of said electromagnetic force (F), or - said deflector consisting of a plurality of fins or plates spaced apart and oriented substantially perpendicular to said quenching plane (P) in the direction of said electromagnetic force (F), each fin or plate occupying most of the space corresponding to the thickness of the fin or plate and existing between said quenching zone (Z) and said housing in the direction of said electromagnetic force (F), so as to create at least one arc confinement zone in the narrow gap remaining between the insulating walls of said deflector and those of said housing , into which said electric arc (E) is deflected and constrained when magnetically blown out, to promote its cooling and extinction. - said deflector consisting of a solid one-piece part or of an openwork one-piece part, the deflector occupying most of the space existing between said quenching zone (Z) and said housing in the direction of said electromagnetic force (F), or - said deflector consisting of a plurality of fins or plates spaced apart and oriented substantially perpendicular to said quenching plane (P) in the direction of said electromagnetic force (F), each fin or plate occupying most of the space corresponding to the thickness of the fin or plate and existing between said quenching zone (Z) and said housing in the direction of said electromagnetic force (F), <EOS>