160 Amp Cable Size at 120 Meters (690V Three-Phase (Wind / Heavy Industrial))
IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 160 A over 120 m (393.7 ft).
Copper Cable (≤3% Drop)70 mm²Drop: 10.17V (1.47%)
Aluminum Cable (≤3% Drop)95 mm²Drop: 12.36V (1.79%)
Voltage at Load679.8 VLine Loss: 2817.5 W
Max Power & Breaker191.22 kW160A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 160A at 120m
| Cross-Section (mm²) | Cu Ampacity | Al Ampacity | Cu Voltage Drop | Load Voltage | Al Voltage Drop | Power Loss | Status |
|---|---|---|---|---|---|---|---|
| 1.5 mm² | 16 A | 12 A | 474.44 V (68.76%) | 215.6 V | 782.61 V (113.42%) | 131481.6 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 284.67 V (41.26%) | 405.3 V | 469.57 V (68.05%) | 78889.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 177.92 V (25.78%) | 512.1 V | 293.48 V (42.53%) | 49305.6 W | Drop High |
| 6 mm² | 41 A | 32 A | 118.61 V (17.19%) | 571.4 V | 195.65 V (28.36%) | 32870.4 W | Drop High |
| 10 mm² | 57 A | 44 A | 71.17 V (10.31%) | 618.8 V | 117.39 V (17.01%) | 19722.2 W | Drop High |
| 16 mm² | 76 A | 59 A | 44.48 V (6.45%) | 645.5 V | 73.37 V (10.63%) | 12326.4 W | Drop High |
| 25 mm² | 101 A | 78 A | 28.47 V (4.13%) | 661.5 V | 46.96 V (6.81%) | 7888.9 W | Drop High |
| 35 mm² | 125 A | 97 A | 20.33 V (2.95%) | 669.7 V | 33.54 V (4.86%) | 5634.9 W | Drop High |
| 50 mm² | 151 A | 118 A | 14.23 V (2.06%) | 675.8 V | 23.48 V (3.4%) | 3944.4 W | Drop High |
| 70 mm² | 192 A | 150 A | 10.17 V (1.47%) | 679.8 V | 16.77 V (2.43%) | 2817.5 W | ✓ OK (≤3%) |
| 95 mm² | 232 A | 181 A | 7.49 V (1.09%) | 682.5 V | 12.36 V (1.79%) | 2076.0 W | ✓ OK (≤3%) |
| 120 mm² | 269 A | 210 A | 5.93 V (0.86%) | 684.1 V | 9.78 V (1.42%) | 1643.5 W | ✓ OK (≤3%) |
| 150 mm² | 309 A | 241 A | 4.74 V (0.69%) | 685.3 V | 7.83 V (1.13%) | 1314.8 W | ✓ OK (≤3%) |
| 185 mm² | 353 A | 275 A | 3.85 V (0.56%) | 686.2 V | 6.35 V (0.92%) | 1066.1 W | ✓ OK (≤3%) |
| 240 mm² | 415 A | 324 A | 2.97 V (0.43%) | 687.0 V | 4.89 V (0.71%) | 821.8 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 2.37 V (0.34%) | 687.6 V | 3.91 V (0.57%) | 657.4 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 1.78 V (0.26%) | 688.2 V | 2.93 V (0.43%) | 493.1 W | ✓ OK (≤3%) |
FAQ — 160 Amp Cable Size at 120 Meters (690V Three-Phase (Wind / Heavy Industrial))
What mm² cable size is required for 160A at 120 meters (690V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 70 mm² copper cable for 160A over 120m at 690V (voltage drop: 10.17V or 1.47%).
What is the power capacity of 160A at 690V?
At unity power factor, 160A at 690V supports 191.22 kW with a standard 160A circuit breaker.
Related Lengths & Currents (690V)
160A · 5m (690V)160A · 10m (690V)160A · 15m (690V)160A · 20m (690V)160A · 25m (690V)160A · 30m (690V)160A · 35m (690V)160A · 40m (690V)160A · 45m (690V)160A · 50m (690V)160A · 60m (690V)160A · 70m (690V)10A · 120m (690V)16A · 120m (690V)20A · 120m (690V)25A · 120m (690V)32A · 120m (690V)40A · 120m (690V)50A · 120m (690V)63A · 120m (690V)80A · 120m (690V)100A · 120m (690V)125A · 120m (690V)200A · 120m (690V)