Feedthrough terminal block, 741 Series, gray Our feedthrough terminal block (item number 741-102) ensures effortless electrical installations. Conductors can only be connected to feedthrough terminal block if their strip length is between 5 and 6 mm . Featuring one conductor terminal along with CAGE CLAMP®, this connector outperforms the competition. Our reliable and maintenance-free CAGE CLAMP® connection makes it easy to connect all conductor types without having to prepare the conductor. For example, you don't need to crimp ferrules. The dimensions are (11.5 x 22.5 x 12.8) mm (width x height x depth). Depending on the type of conductor, feedthrough terminal block is ideal for conductor cross sections ranging from 0.08 mm² to 2.5 mm². The contact surface is coated with tin. THT is used to assemble the feedthrough terminal block.