⚡ Cu ρ (75°C): 0.0214 Ω·mm²/m 🔌 NEC / IEC Standards: NFPA 70 & IEC 60364 🇺🇸 US Grid Avg: $0.175/kWh 🇩🇪 DE Grid Avg: €0.345/kWh 🇸🇪 SE Elpris: 1.54 SEK/kWh 🇳🇴 NO Strøm: 1.17 NOK/kWh 🔩 Copper Ref: $9,650/t (2026-10-24)
⚡ IEC 60364-5-52 · DIN VDE · NEK 400 · SS 436 40 00

475 Amp Cable Size at 175 Meters (415V Three-Phase (UK / Australia Industrial))

IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 475 A over 175 m (574.1 ft).

Copper Cable (≤3% Drop)300 mm²Drop: 10.27V (2.47%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 12.71V (3.06%)
Voltage at Load404.7 VLine Loss: 8449.7 W
Max Power & Breaker341.43 kW500A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 475A at 175m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A2054.07 V (494.96%)0.0 V3388.25 V (816.45%)1689931.2 WDrop High
2.5 mm²24 A18 A1232.44 V (296.97%)0.0 V2032.95 V (489.87%)1013958.7 WDrop High
4 mm²32 A25 A770.28 V (185.61%)0.0 V1270.59 V (306.17%)633724.2 WDrop High
6 mm²41 A32 A513.52 V (123.74%)0.0 V847.06 V (204.11%)422482.8 WDrop High
10 mm²57 A44 A308.11 V (74.24%)106.9 V508.24 V (122.47%)253489.7 WDrop High
16 mm²76 A59 A192.57 V (46.4%)222.4 V317.65 V (76.54%)158431.1 WDrop High
25 mm²101 A78 A123.24 V (29.7%)291.8 V203.3 V (48.99%)101395.9 WDrop High
35 mm²125 A97 A88.03 V (21.21%)327.0 V145.21 V (34.99%)72425.6 WDrop High
50 mm²151 A118 A61.62 V (14.85%)353.4 V101.65 V (24.49%)50697.9 WDrop High
70 mm²192 A150 A44.02 V (10.61%)371.0 V72.61 V (17.5%)36212.8 WDrop High
95 mm²232 A181 A32.43 V (7.82%)382.6 V53.5 V (12.89%)26683.1 WDrop High
120 mm²269 A210 A25.68 V (6.19%)389.3 V42.35 V (10.21%)21124.1 WDrop High
150 mm²309 A241 A20.54 V (4.95%)394.5 V33.88 V (8.16%)16899.3 WDrop High
185 mm²353 A275 A16.65 V (4.01%)398.3 V27.47 V (6.62%)13702.1 WDrop High
240 mm²415 A324 A12.84 V (3.09%)402.2 V21.18 V (5.1%)10562.1 WDrop High
300 mm²477 A372 A10.27 V (2.47%)404.7 V16.94 V (4.08%)8449.7 W✓ OK (≤3%)
400 mm²570 A445 A7.7 V (1.86%)407.3 V12.71 V (3.06%)6337.2 W✓ OK (≤3%)

FAQ — 475 Amp Cable Size at 175 Meters (415V Three-Phase (UK / Australia Industrial))

What mm² cable size is required for 475A at 175 meters (415V)?

According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 300 mm² copper cable for 475A over 175m at 415V (voltage drop: 10.27V or 2.47%).

What is the power capacity of 475A at 415V?

At unity power factor, 475A at 415V supports 341.43 kW with a standard 500A circuit breaker.