Wire cross section according to EN 60228 and Cenelec HD 383 Table 1 Nom. cross section mm 2 0.5 0.75 1 1.5 2.5 4 6 10 16 25 35 50 70 95 120 150 185 240 300 400 500 630 Construction: number of wires (approximate value) strand diameter (maximum) Solid, class 1 n × mm Stranded, class 2 n × mm 1 × 0.80 7 × 0.30 1 × 1.00 7 × 0.37 1 × 1.13 7 × 0.43 1 × 1.38 7 × 0.52 1 × 1.78 7 × 0.67 1 × 2.25 7 × 0.85 1 × 2.76 7 × 1.04 1 × 3.57 7 × 1.35 1 × 4.50 7 × 1.70 – 7 × 2.16 – 7 × 2.52 – 19 × 1.78 – 19 × 2.16 – 19 × 2.52 – 37 × 2.03 – 37 × 2.25 – 37 × 2.52 – 61 × 2.25 – 61 × 2.52 – 61 × 2.84 – 61 × 3.20 – 91 × 2.97 max. direct current at 20 °C Bare Ω/km 36.0 24.5 18.1 12.1 7.41 4.61 3.08 1.83 1.15 0.727 0.524 0.387 0.268 0.193 0.153 0.124 0.0991 0.0754 0.0601 0.0470 0.0366 0.0283 Tinned Ω/km 36.7 24.8 18.2 12.2 7.56 4.70 3.11 1.84 1.16 0.734 0.529 0.391 0.270 0.195 0.154 0.126 0.100 0.0762 0.0607 0.0475 0.0369 0.0286 Terminals: Because of the larger diameter in classes 2, 5 and 6 compared with class 1, you have to select a terminal for these classes that is one nominal cross section larger. 78 HUBER+SUHNER Wires and cables
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