It is a set of 3 aluminum mechanical connectors for ComPacT NSXm and PowerPact B devices. These cable lugs are made of tinned aluminum and are suitable for copper and aluminum conductors. They are attached to the terminals with cable lug fixing screws inserted from below. The current carrying capacity is from 15A to 125A for copper wires (2.5 - 6 mm²), and the torque is 4 Nm +/- 0.4. For aluminum wires, the current carrying capacity is 15A to 125A (10 - 70 mm²), and the torque is 5.6 Nm +/- 0.6.