Phoenix Contact 1713537 The PCB TWIN plug has a nominal cross-section of 2.5mm² with a green color and a rated current of 16A, operating at a maximum voltage of 320V. It features a Sn contact surface with a socket connection type and nine potentials, arranged on one row with nine positions for a total of eighteen connections within its TFKC 2,5HC/..-STF product range, which has a pitch of 5.08mm. The plug uses push-in spring connections, requiring no locking clip, is part of the COMBICON MSTB 2,5 HC system and relies on a screw locking mechanism for securing, can be mounted with screws through its flange, and comes packaged in cardboard.