425 Amp Cable Size at 600 Meters (690V Three-Phase (Wind / Heavy Industrial))
IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 425 A over 600 m (1968.5 ft).
Copper Cable (≤3% Drop)2× 400 mm²Drop: 11.81V (1.71%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 38.98V (5.65%)
Voltage at Load678.2 VLine Loss: 8697.1 W
Max Power & Breaker507.92 kW450A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 425A at 600m
| 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 | 6301.2 V (913.22%) | 0.0 V | 10394.04 V (1506.38%) | 4638450.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 3780.72 V (547.93%) | 0.0 V | 6236.42 V (903.83%) | 2783070.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 2362.95 V (342.46%) | 0.0 V | 3897.76 V (564.89%) | 1739418.8 W | Drop High |
| 6 mm² | 41 A | 32 A | 1575.3 V (228.3%) | 0.0 V | 2598.51 V (376.6%) | 1159612.5 W | Drop High |
| 10 mm² | 57 A | 44 A | 945.18 V (136.98%) | 0.0 V | 1559.11 V (225.96%) | 695767.5 W | Drop High |
| 16 mm² | 76 A | 59 A | 590.74 V (85.61%) | 99.3 V | 974.44 V (141.22%) | 434854.7 W | Drop High |
| 25 mm² | 101 A | 78 A | 378.07 V (54.79%) | 311.9 V | 623.64 V (90.38%) | 278307.0 W | Drop High |
| 35 mm² | 125 A | 97 A | 270.05 V (39.14%) | 419.9 V | 445.46 V (64.56%) | 198790.7 W | Drop High |
| 50 mm² | 151 A | 118 A | 189.04 V (27.4%) | 501.0 V | 311.82 V (45.19%) | 139153.5 W | Drop High |
| 70 mm² | 192 A | 150 A | 135.03 V (19.57%) | 555.0 V | 222.73 V (32.28%) | 99395.4 W | Drop High |
| 95 mm² | 232 A | 181 A | 99.49 V (14.42%) | 590.5 V | 164.12 V (23.78%) | 73238.7 W | Drop High |
| 120 mm² | 269 A | 210 A | 78.77 V (11.42%) | 611.2 V | 129.93 V (18.83%) | 57980.6 W | Drop High |
| 150 mm² | 309 A | 241 A | 63.01 V (9.13%) | 627.0 V | 103.94 V (15.06%) | 46384.5 W | Drop High |
| 185 mm² | 353 A | 275 A | 51.09 V (7.4%) | 638.9 V | 84.28 V (12.21%) | 37609.1 W | Drop High |
| 240 mm² | 415 A | 324 A | 39.38 V (5.71%) | 650.6 V | 64.96 V (9.41%) | 28990.3 W | Drop High |
| 300 mm² | 477 A | 372 A | 31.51 V (4.57%) | 658.5 V | 51.97 V (7.53%) | 23192.2 W | ~ ≤5% |
| 400 mm² | 570 A | 445 A | 23.63 V (3.42%) | 666.4 V | 38.98 V (5.65%) | 17394.2 W | ~ ≤5% |
FAQ — 425 Amp Cable Size at 600 Meters (690V Three-Phase (Wind / Heavy Industrial))
What mm² cable size is required for 425A at 600 meters (690V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 2× 400 mm² copper cable for 425A over 600m at 690V (voltage drop: 11.81V or 1.71%).
What is the power capacity of 425A at 690V?
At unity power factor, 425A at 690V supports 507.92 kW with a standard 450A circuit breaker.
Related Lengths & Currents (690V)
425A · 5m (690V)425A · 10m (690V)425A · 15m (690V)425A · 20m (690V)425A · 25m (690V)425A · 30m (690V)425A · 35m (690V)425A · 40m (690V)425A · 45m (690V)425A · 50m (690V)425A · 60m (690V)425A · 70m (690V)10A · 600m (690V)16A · 600m (690V)20A · 600m (690V)25A · 600m (690V)32A · 600m (690V)40A · 600m (690V)50A · 600m (690V)63A · 600m (690V)80A · 600m (690V)100A · 600m (690V)125A · 600m (690V)160A · 600m (690V)200A · 600m (690V)