PCB terminal block, 257 Series, 0 °conductor entry to board Our PCB terminal block (item number 257-409/333-000) simplifies electrical installations. It is perfect for custom installations with different mounting types. Ensure that the strip lengths are between 5 and 6 mm when connecting conductors to this PCB terminal block. This product incorporates one conductor terminal and utilizes CAGE CLAMP®. Our renowned universal connection known as CAGE CLAMP® is the industry standard when it comes to connection technology and electrical interconnections. The item's dimensions are (47.9 x 26.9 x 15.7) mm (width x height x depth). This PCB terminal block is suitable for conductor cross sections ranging from 0.08 mm² to 2.5 mm². Tin is used for coating the contact surfaces. This PCB terminal block is operated with finger-operated lever. THT is used to assemble the PCB terminal block. The conductor is designed to be inserted into the board at a 0° angle..