Phoenix Contact 1734834 A PCB header has a nominal cross-sectional area of 2.5 mm² and is colored gray, with a maximum current rating of 12 A and a rated voltage of 630 V (III/2). The headers have a contact surface made of tin, are connected via sockets, and offer seven potentials with a linear pin layout and a pitch of 7.62 mm. These headers can be mounted using wave soldering, feature two solder pins per potential, and utilize the COMBICON MSTB 2,5 plug-in system; they are not locked into place and do not require any mounting method or packaging beyond being packed in cardboard.