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.