Feedthrough terminal block, 231 Series, operating tool Enjoy effortless electrical installations with feedthrough terminal block (item number 231-635/017-000). Ensure that the strip lengths are between 8 and 9 mm when connecting conductors to feedthrough terminal block. Featuring one conductor terminal along with CAGE CLAMP®, this connector outperforms the competition. Our highly-rated and maintenance-free CAGE CLAMP® connection makes it easy to connect all types of conductors without having to prepare the conductor. For example, you don't need to crimp ferrules. The item's dimensions are (40.6 x 19 x 19.1) mm (width x height x depth). Feedthrough terminal block is suitable for conductor cross sections ranging from 0.08 mm² to 2.5 mm². The contact surface is coated with tin. The feedthrough terminal block is designed for THT soldering.