PCB terminal block, 257 Series, gray Our PCB terminal block (item number 257-408/333-000) ensures effortless 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. Featuring one conductor terminal along with CAGE CLAMP®, this product is highly versatile. Our reliable and maintenance-free CAGE CLAMP® connection makes it easy to connect all conductor types without having to prepare the conductor. For example, you don't need to crimp ferrules. The item's dimensions are (42.9 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. The PCB terminal block is designed for THT soldering. Insert the conductor into the board at an angle of 0°..