PCB terminal block, 237 Series, screw connection Our PCB terminal block (item number 237-133) ensures effortless electrical installations. It is ideal for custom installations with different mounting types. Strip lengths must be between 5 and 7 mm when connecting conductors to this PCB terminal block. This product incorporates one conductor terminal and utilizes a screw connection. Products with screw-clamp connections are easy to reuse on-site, you can replace wires and devices using standard hand tools. This PCB terminal block is suitable for conductor cross sections ranging from 0.5 mm² to 2.5 mm². Tin is used for coating the contact surfaces. This PCB terminal block is operated with an operating tool. The PCB terminal block is designed for THT soldering. Insert the conductor into the board at an angle of 0°..