Exemplary embodiments of the invention are explained in more detail in the description which follows and are represented in the drawing, in which: FIG. 1 shows a simplified representation of an installation operating in an automated manner, in which an exemplary embodiment of the novel safety switc...
(most stringent) Safety Category 4 in European Standard EN 954-1, for the reasons already explained above, but it simplifies an installation such as this. In particular, this refinement allows greater flexibility for the external connection of actuators, in particular contactors, to the safety ...
1. A safety switching device for connecting and safely disconnecting an electrical load in response to an external switching signal, said switching device comprising: a relay having at least a first operating contact, a first auxiliary contact, and a first nominal switching capacity, said first ope...