DTL series of copper-aluminum wiring terminals are suitable transition connection of the circular aluminum wires,hemicyce-sector aluminum wires,power supply cables in the distribution equipment and copper terminals of the electrical equipment,The material of aluminum and copper are that of L3 and T2 respectively,the technology of friction welding is wonderfully adopted.therefore they have distinguishing features of strong weld intensity,good nature in electrification,resistant galvanic corrosion and long services life. TYPE φ D d L L1 DTL-2-16 13 16 5.5 87 42 DTL-2-25 13 16 6.5 87 42 DTL-2-35 13 16 8 87 42 DTL-2-50 13 20 9 87 43 DTL-2-70 13 20 11 87 43 DTL-2-95 13 20 12.5 87 43 DTL-2-120 13 25 13.5 111 60 DTL-2-150 13 25 15.5 111 60 DTL-2-185 13 32 17.5 116 60 DTL-2-240 13 32 19.5 116 60 DTL-2-300 13 34 22.5 120 62 TYPE φ D d L L1 B DTL-1-10 8.5 10 6 68 28 16 DTL-1-16 8.5 11 6 70 30 16 DTL-1-25 8.5 12 7 75 34 18 DTL-1-35 10.5 14 8.5 85 38 20.5 DTL-1-50 10.5 16 9.8 90 40 23 DTL-1-70 12.5 18 11.5 102 48 26 DTL-1-95 12.5 21 13.5 112 50 28 DTL-1-120 14.5 23 15 120 53 30 DTL-1-150 14.5 25 16.5 126 56 34 DTL-1-185 16.5 27 18.5 133 58 37 DTL-1-240 16.5 30 21 140 60 40 DTL-1-300 21 34 23.5 160 65 50 DTL-1-400 21 38 27 170 70 50 DTL-1-500 21 47 29 225 75 60 DTL-1-630 - 54 35 245 80 80 DTL-1-800 - 60 38 270 90 100