475 Amp Cable Size at 5 Meters (690V Three-Phase (Wind / Heavy Industrial))
IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 475 A over 5 m (16.4 ft).
Copper Cable (≤3% Drop)300 mm²Drop: 0.29V (0.04%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 0.36V (0.05%)
Voltage at Load689.7 VLine Loss: 241.4 W
Max Power & Breaker567.68 kW500A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 475A at 5m
| 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 | 58.69 V (8.51%) | 631.3 V | 96.81 V (14.03%) | 48283.8 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 35.21 V (5.1%) | 654.8 V | 58.08 V (8.42%) | 28970.2 W | Drop High |
| 4 mm² | 32 A | 25 A | 22.01 V (3.19%) | 668.0 V | 36.3 V (5.26%) | 18106.4 W | Drop High |
| 6 mm² | 41 A | 32 A | 14.67 V (2.13%) | 675.3 V | 24.2 V (3.51%) | 12070.9 W | Drop High |
| 10 mm² | 57 A | 44 A | 8.8 V (1.28%) | 681.2 V | 14.52 V (2.1%) | 7242.6 W | Drop High |
| 16 mm² | 76 A | 59 A | 5.5 V (0.8%) | 684.5 V | 9.08 V (1.32%) | 4526.6 W | Drop High |
| 25 mm² | 101 A | 78 A | 3.52 V (0.51%) | 686.5 V | 5.81 V (0.84%) | 2897.0 W | Drop High |
| 35 mm² | 125 A | 97 A | 2.52 V (0.36%) | 687.5 V | 4.15 V (0.6%) | 2069.3 W | Drop High |
| 50 mm² | 151 A | 118 A | 1.76 V (0.26%) | 688.2 V | 2.9 V (0.42%) | 1448.5 W | Drop High |
| 70 mm² | 192 A | 150 A | 1.26 V (0.18%) | 688.7 V | 2.07 V (0.3%) | 1034.7 W | Drop High |
| 95 mm² | 232 A | 181 A | 0.93 V (0.13%) | 689.1 V | 1.53 V (0.22%) | 762.4 W | Drop High |
| 120 mm² | 269 A | 210 A | 0.73 V (0.11%) | 689.3 V | 1.21 V (0.18%) | 603.5 W | Drop High |
| 150 mm² | 309 A | 241 A | 0.59 V (0.09%) | 689.4 V | 0.97 V (0.14%) | 482.8 W | Drop High |
| 185 mm² | 353 A | 275 A | 0.48 V (0.07%) | 689.5 V | 0.78 V (0.11%) | 391.5 W | Drop High |
| 240 mm² | 415 A | 324 A | 0.37 V (0.05%) | 689.6 V | 0.61 V (0.09%) | 301.8 W | Drop High |
| 300 mm² | 477 A | 372 A | 0.29 V (0.04%) | 689.7 V | 0.48 V (0.07%) | 241.4 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 0.22 V (0.03%) | 689.8 V | 0.36 V (0.05%) | 181.1 W | ✓ OK (≤3%) |
FAQ — 475 Amp Cable Size at 5 Meters (690V Three-Phase (Wind / Heavy Industrial))
What mm² cable size is required for 475A at 5 meters (690V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 300 mm² copper cable for 475A over 5m at 690V (voltage drop: 0.29V or 0.04%).
What is the power capacity of 475A at 690V?
At unity power factor, 475A at 690V supports 567.68 kW with a standard 500A circuit breaker.
Related Lengths & Currents (690V)
475A · 10m (690V)475A · 15m (690V)475A · 20m (690V)475A · 25m (690V)475A · 30m (690V)475A · 35m (690V)475A · 40m (690V)475A · 45m (690V)475A · 50m (690V)475A · 60m (690V)475A · 70m (690V)10A · 5m (690V)16A · 5m (690V)20A · 5m (690V)25A · 5m (690V)32A · 5m (690V)40A · 5m (690V)50A · 5m (690V)63A · 5m (690V)80A · 5m (690V)100A · 5m (690V)125A · 5m (690V)160A · 5m (690V)200A · 5m (690V)