Through terminal block, 261 Series, push-button Our through terminal block (item number 261-103/341-000) ensures effortless electrical installations. Conductors can only be connected to this through terminal block if their strip length is between 8 and 9 mm . Whether in industrial or building applications, our rail-mount through terminal blocks are the perfect solution to quickly and securely connect electrical conductors. Depending on the version, you can use them for either typical through-wiring or potential distribution. Featuring conductor terminals along with CAGE CLAMP®, this connector outperforms the competition. Our renowned universal connection known as CAGE CLAMP® leads the way when it comes to connection technology and electrical interconnections. The item's dimensions are (32.1 x 28.1 x 23.3) 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. A push-button is used to operate this mini rail-mount terminal block.