The 221 from wago can now also be 6 mm². Lever, ladder in, lever to finish. The 221 series terminal makes it easier to install single, fine and multi-strand conductors easily, quickly and safely. Conductor cross sections from 0.14 to 4 mm²? - No problem! However, this clamp wants more and shows the use: it now also connects conductor cross-sections from 0.5 to 6 mm² without any problems. The advantages: convenient conductor connection from 0.14 to 6 mm². Installation of single, fine and multi-strand conductors save time for quick installation of devices with higher performance requirements for installers and equipment manufacturers with higher conductor cross sections, conductor in, lever close.