Feedthrough terminal block, 741 Series, push-button Error-free electrical installations are guaranteed with feedthrough terminal block (item number 741-604). Conductors should only be connected to feedthrough terminal block if their strip length is between 5 and 6 mm . This product incorporates one conductor terminal and utilizes CAGE CLAMP®. Our reliable 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. Dimensions: (36.98 x 22.5 x 12.8) mm (width x height x depth). Depending on the type of conductor, feedthrough terminal block is designed for conductor cross sections ranging from 0.08 mm² to 2.5 mm². The contact surface is coated with tin. THT is used to solder the feedthrough terminal block.