221-2531 Mounting adapter with 1-fold locking foot

A thoroughly directional conductor connection for all types of conductors from 0.2 to 4 mm² - unsurpassed simple, fast and safe - this is what the new 221 series through connector with lever stands for. It combines all the well-known advantages of the 221 series of connecting terminals in a slim design: A universal conductor connection, which is completely tool-free thanks to lever technology and offers a visibly secure conductor contact.