Through terminal block, 261 Series, CAGE CLAMP® This through terminal block (item number 261-152/331-000) is designed for quick and easy connections. Conductors can only be connected to this through 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 features conductor terminals and utilizes CAGE CLAMP®. Our CAGE CLAMP® connection provides a reliable and maintenance-free way to connect all types of conductors. You do not need to prepare the conductor in any way, such as crimping ferrules. The dimensions are (15 x 28 x 27.7) mm (width x height x depth). Depending on the type of conductor, this through terminal block is designed for conductor cross sections ranging from 0.08 mm² to 2.5 mm². This mini rail-mount terminal block is operated with operating tool,push-button.