Ground terminal block, 261 Series, operating tool Connect conductors quickly and safely with this ground terminal block (item number 261-307/331-000). Conductors should only be connected to this ground terminal block if their strip length is between 8 and 9 mm . Our mini rail-mount terminal blocks are the perfect choice when space is limited. A large selection of mounting and actuation variants means you can find a suitable mini terminal block for every purpose. This also means you can adapt the terminal blocks to your unique requirements. This product incorporates conductor terminals 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. The dimensions are (6 x 28 x 23.2) mm (width x height x depth). This ground terminal block is suitable for conductor cross sections ranging from 0.08 mm² to 2.5 mm². Operating tool,push-button is used to operate this mini rail-mount terminal block.