63 Amp Cable Size at 100 Meters (690V Three-Phase (Wind / Heavy Industrial))
IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 63 A over 100 m (328.1 ft).
Copper Cable (≤3% Drop)16 mm²Drop: 14.59V (2.12%)
Aluminum Cable (≤3% Drop)25 mm²Drop: 15.41V (2.23%)
Voltage at Load675.4 VLine Loss: 1592.6 W
Max Power & Breaker75.29 kW63A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 63A at 100m
| 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 | 155.68 V (22.56%) | 534.3 V | 256.79 V (37.22%) | 16987.3 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 93.41 V (13.54%) | 596.6 V | 154.08 V (22.33%) | 10192.4 W | Drop High |
| 4 mm² | 32 A | 25 A | 58.38 V (8.46%) | 631.6 V | 96.3 V (13.96%) | 6370.2 W | Drop High |
| 6 mm² | 41 A | 32 A | 38.92 V (5.64%) | 651.1 V | 64.2 V (9.3%) | 4246.8 W | Drop High |
| 10 mm² | 57 A | 44 A | 23.35 V (3.38%) | 666.6 V | 38.52 V (5.58%) | 2548.1 W | Drop High |
| 16 mm² | 76 A | 59 A | 14.59 V (2.12%) | 675.4 V | 24.07 V (3.49%) | 1592.6 W | ✓ OK (≤3%) |
| 25 mm² | 101 A | 78 A | 9.34 V (1.35%) | 680.7 V | 15.41 V (2.23%) | 1019.2 W | ✓ OK (≤3%) |
| 35 mm² | 125 A | 97 A | 6.67 V (0.97%) | 683.3 V | 11.01 V (1.59%) | 728.0 W | ✓ OK (≤3%) |
| 50 mm² | 151 A | 118 A | 4.67 V (0.68%) | 685.3 V | 7.7 V (1.12%) | 509.6 W | ✓ OK (≤3%) |
| 70 mm² | 192 A | 150 A | 3.34 V (0.48%) | 686.7 V | 5.5 V (0.8%) | 364.0 W | ✓ OK (≤3%) |
| 95 mm² | 232 A | 181 A | 2.46 V (0.36%) | 687.5 V | 4.05 V (0.59%) | 268.2 W | ✓ OK (≤3%) |
| 120 mm² | 269 A | 210 A | 1.95 V (0.28%) | 688.1 V | 3.21 V (0.47%) | 212.3 W | ✓ OK (≤3%) |
| 150 mm² | 309 A | 241 A | 1.56 V (0.23%) | 688.4 V | 2.57 V (0.37%) | 169.9 W | ✓ OK (≤3%) |
| 185 mm² | 353 A | 275 A | 1.26 V (0.18%) | 688.7 V | 2.08 V (0.3%) | 137.7 W | ✓ OK (≤3%) |
| 240 mm² | 415 A | 324 A | 0.97 V (0.14%) | 689.0 V | 1.6 V (0.23%) | 106.2 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 0.78 V (0.11%) | 689.2 V | 1.28 V (0.19%) | 84.9 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 0.58 V (0.08%) | 689.4 V | 0.96 V (0.14%) | 63.7 W | ✓ OK (≤3%) |
FAQ — 63 Amp Cable Size at 100 Meters (690V Three-Phase (Wind / Heavy Industrial))
What mm² cable size is required for 63A at 100 meters (690V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 16 mm² copper cable for 63A over 100m at 690V (voltage drop: 14.59V or 2.12%).
What is the power capacity of 63A at 690V?
At unity power factor, 63A at 690V supports 75.29 kW with a standard 63A circuit breaker.
Related Lengths & Currents (690V)
63A · 5m (690V)63A · 10m (690V)63A · 15m (690V)63A · 20m (690V)63A · 25m (690V)63A · 30m (690V)63A · 35m (690V)63A · 40m (690V)63A · 45m (690V)63A · 50m (690V)63A · 60m (690V)63A · 70m (690V)10A · 100m (690V)16A · 100m (690V)20A · 100m (690V)25A · 100m (690V)32A · 100m (690V)40A · 100m (690V)50A · 100m (690V)80A · 100m (690V)100A · 100m (690V)125A · 100m (690V)160A · 100m (690V)200A · 100m (690V)