Phoenix Contact 1703177 The specified PCB connector has a black color and nominal current rating of 12 A, with rated voltage of 320 V. The contact surface is made of Sn and features a socket connection style with five potentials connected to one row and five positions across a pitch of 5 mm. This connector uses a screw connection method with tension sleeve and L slotted screws for conductor/PCB connections, often found in the MSTB 2,5/..-ST product range, which does not require locking clip or mounting methods as it is packed in cardboard packaging.