PTFIX Distribution Blocks Phoenix Contact PTFIX Distribution Blocks are ready for instant connection with push-in technology, multiple positions, and mounting options. These PTFIX blocks ensure a flexible, cost-effective load, and control current distribution. The push-in connection technology enables the quick and easy insertion of wires. Phoenix Contact PTFIX Distribution Blocks are available in self-assembly, tool-free self-adhesive, and DIN rail with transverse mounting. The PTFIX series offers 1.5mm2/2.5mm2 strands and 8mm to 10mm stripping length.