PCB terminal block, 257 Series, finger-operated lever Our PCB terminal block (item number 257-504/333-000) makes connections quick and easy. It offers the flexibility needed for different mounting types. Ensure that the strip lengths are between 5 and 6 mm when connecting conductors to this PCB terminal block. Featuring one conductor terminal along with CAGE CLAMP®, this product delivers reliable performance. Our proven universal connection known as CAGE CLAMP® leads the way when it comes to connection technology and electrical interconnections. The dimensions are (32.9 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. The contact surface is coated with tin. This PCB terminal block is operated with finger-operated lever. THT is used to solder the PCB terminal block. The conductor is designed to be inserted into the board at a 0° angle..