Terminal Blocks: PTDA Phoenix Contact´s PTDA Series Terminal Blocks are solderable or pluggable using 3.5mm or 5.0mm pin strip headers. The PTDA Series Terminal Blocks accommodate 24 to 14AWG wire in 2 to 12 positions with spring force wire termination. The devices feature a nominal voltage of 240V, nominal current of 8A, and pitch of 3.5mm.