Phoenix Contact 1859056 The PCB headers described have a nominal cross-sectional area of 2.5mm² and are colored green, featuring a rated voltage of 630V for the I²t device, with a contact surface made of tin. They utilize socket contacts, have nine potentials, one row, and nine positions, resulting in nine connections. The headers belong to the GIC 2.5 series, feature a linear pin layout, and are designed for wave soldering mounting with standard pin connector patterns.