4mm² Push-in Technology Terminal Blocks Phoenix Contact introduced the 4mm² Push-in Technology Terminal Blocks for easy and fast termination of ferruled and stripped, stranded wire from 24-10 AWG. The 4mm² Push-in Technology Terminal Blocks are available in single, twin, and quattro feed-through as well as double-level, fuse, LED, diode, and function 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 0.34 mm² without tools. Phoenix Contact Push-in Technology Terminal Blocks use a special contact spring that makes plugging easier than ever while providing high contact quality. Now available! Phoenix Contact now offers , and .