Phoenix Contact 5452504 The PCB headers feature a black cross-sectional area of 2.5 mm² and are rated for a maximum current of 12 A at 320 V (III/2). They have a standard linear pinning layout with a pitch of 5.08 mm, suitable for wave soldering mounting. The headers come in two main variants within the BCH-VF product range, and they are designed to be plugged into BASICLINE 2 connectors, which require standard pin connector alignment, secured by screw locking mechanisms on threaded flange packaging that is typically packed in cardboard.