An electrical snap switch comprising: * a housing having a receiving portion; * an actuation member in the form of a pushbutton extending out of the housing and comprising an actuating portion formed by an extension extending into the housing, the pushbutton being arranged, when an external force is applied to the pushbutton, to be moved vertically relative to the housing between: - a pushbutton upper active position; and - a pushbutton lower active position; * at least a first pair of associated contact elements comprising: ** a first fixed contact element (56, 57, 62) provided in the receiving portion; and ** a first movable contact element arranged facing the first fixed contact element (56, 57, 62) and that may come into contact with the first fixed contact element for establishing a first conductive way between the first movable contact element and the first fixed contact element; and * a snap-action switching mechanism comprising: ** a tilting driving member which is pivotally mounted with respect to the housing around an horizontal axis; and ** and a traction spring extending longitudinally and having a longitudinal end attached to a part of the driving member, and on which the actuating portion of the pushbutton acts, directly or indirectly, to pivot the driving member between: - an upper position; and - a lower position, characterised in that said first movable contact element is a movable portion of a first elastically deformable conductive blade supported by said housing; and wherein said driving member comprises a first cam which cooperates with a cam follower portion of said first blade to deform or relax said first blade for horizontally and transversely moving the said first movable contact element to come into contact, or out of contact, with the first fixed contact element (56, 57, 62), depending on the position of the driving member. * a housing having a receiving portion; * an actuation member in the form of a pushbutton extending out of the housing and comprising an actuating portion formed by an extension extending into the housing, the pushbutton being arranged, when an external force is applied to the pushbutton, to be moved vertically relative to the housing between: - a pushbutton upper active position; and - a pushbutton lower active position; - a pushbutton upper active position; and - a pushbutton lower active position; * at least a first pair of associated contact elements comprising: ** a first fixed contact element (56, 57, 62) provided in the receiving portion; and ** a first movable contact element arranged facing the first fixed contact element (56, 57, 62) and that may come into contact with the first fixed contact element for establishing a first conductive way between the first movable contact element and the first fixed contact element; and ** a first fixed contact element (56, 57, 62) provided in the receiving portion; and ** a first movable contact element arranged facing the first fixed contact element (56, 57, 62) and that may come into contact with the first fixed contact element for establishing a first conductive way between the first movable contact element and the first fixed contact element; and * a snap-action switching mechanism comprising: ** a tilting driving member which is pivotally mounted with respect to the housing around an horizontal axis; and ** and a traction spring extending longitudinally and having a longitudinal end attached to a part of the driving member, and on which the actuating portion of the pushbutton acts, directly or indirectly, to pivot the driving member between: - an upper position; and - a lower position, ** a tilting driving member which is pivotally mounted with respect to the housing around an horizontal axis; and ** and a traction spring extending longitudinally and having a longitudinal end attached to a part of the driving member, and on which the actuating portion of the pushbutton acts, directly or indirectly, to pivot the driving member between: - an upper position; and - a lower position, - an upper position; and - a lower position,