Are you looking for a switching module which operates reliably and above all silently no problem here is the solution with logo contact you can switch resistive consumers up to 20 a and motors up to 4 kw direct and without any humming logo contact is available in two versions logo contact 24 for dc 24 v and logo contact 230 for ac 230 v switching voltages logocontact is the optimum solution for switching powerful consumers in noise sensitive areas such as hospitals or flats and si