Push-In Technology DIN Rail Terminal Blocks Phoenix Contact Push-in Technology Terminal Blocks are the new generation of modular terminal blocks in the CLIPLINE Complete System. The Push-in Technology Terminal Blocks feature an easy, direct conductor connection using the advantages of the CLIPLINE Complete System. With up to 50% lower insertion force necessary, it is now possible to directly plug solid and stranded conductors with ferrules from 0.34mm² without tools.