PCB terminal block, 257 Series, gray This PCB terminal block (item number 257-604/333-000) is designed to connect conductors quickly and easily. 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 connector is highly versatile. Our CAGE CLAMP® connection provides a safe and maintenance-free way to connect all types of conductors. You do not need to prepare the conductor in any way, such as crimping ferrules. Dimensions: (42.9 x 26.9 x 15.7) mm (width x height x depth). Depending on the type of conductor, this PCB terminal block is ideal for conductor cross sections ranging from 0.08 mm² to 2.5 mm². The contact surface is coated with tin. Finger-operated lever is used to operate this PCB terminal block. THT is used to assemble the PCB terminal block. Insert the conductor at a 0° angle..