Through terminal block, 869 Series, operating tool Easily, quickly and safely connect conductors with this through terminal block (item number 869-234). Strip lengths must be between 6 and 7 mm when connecting conductors to this through terminal block. Whether for use in industry or building installations, our rail-mount through terminal blocks allow you to quickly and securely connect electrical conductors. They’re perfect for either classic through-wiring or distributing potential, depending on the variant. This product features conductor terminals and utilizes CAGE CLAMP®. 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. Dimensions: (34.5 x 27.6 x 33.4) mm (width x height x depth). Depending on the conductor type, this through terminal block is designed for conductor cross sections ranging from 0.08 mm² to 2.5 mm². An operating tool is used to operate this mini rail-mount terminal block.