PCB terminal block, 257 Series, gray Our PCB terminal block (item number 257-405/333-000) is designed for seamless electrical installations. It offers the flexibility needed for different mounting types. Strip lengths must be between 5 and 6 mm when connecting conductors to this PCB terminal block. This product incorporates one conductor terminal and utilizes CAGE CLAMP®. Our proven universal connection known as CAGE CLAMP® is industry-leading when it comes to connection technology and electrical interconnections. Dimensions: (27.9 x 26.9 x 15.7) mm (width x height x depth). Depending on the type of conductor, this PCB terminal block is designed for conductor cross sections ranging from 0.08 mm² to 2.5 mm². The contact surface is coated with tin. This PCB terminal block is operated with finger-operated lever. The PCB terminal block is designed for THT soldering. Insert the conductor into the board at an angle of 0°..