400mm² Copper lug M12 stud [Pack of 5]The 400mm copper tube crimping lug is designed for high performance, heavy duty electrical connections. Manufactured from electrolytic copper with a purity of over 99. 9%, it is annealed to ensure optimum ductility. The lug is electroplated with tin to prevent oxidation and enhance durability. With a maximum voltage rating of 11kV and an operating temperature range from 50C to +150C, this lug is perfect for a wide range of industrial applications. The