PCB universal screw terminal blocks, this typical feature of the screw connection system is characterized by the easy connection and extremely high contact strengths. Provide the wire size from 0. 08mm² to 25mm². Available with different pitches from 2. 54mm to 15. 0mm, and 3 wire insertion directions: 90°, 135°, 180°. The parts can be assembled by 2 ways and 3 ways, with the design level structures from 1 level to 4. The product is designed in accordance with IEC60998, UL1059, UL486E, CSA C22. 2 No. 158 standards.