Phoenix Contact 1943742 PCB headers have a nominal cross section of 2.5 mm² and are colored green, with a rated voltage of III/2 at 320 V and carrying up to 16 A of current. They feature a Sn contact surface and use socket connections for twelve potentials, arranged in one row across twelve positions, with the same number of solder pins per potential as there are connections, and are part of the ICV 2,5 HC product range, which uses wave soldering with a linear pinning layout and has a pitch of 5.08 mm, requiring screw locking mechanisms for mounting via threaded flanges in standard packaging within cardboard cases.