⚡ 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

500 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 500 A over 175 m (574.1 ft).

Copper Cable (≤3% Drop)400 mm²Drop: 8.11V (1.95%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 13.37V (3.22%)
Voltage at Load406.9 VLine Loss: 7021.9 W
Max Power & Breaker359.4 kW500A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 500A at 175m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A2162.18 V (521.01%)0.0 V3566.58 V (859.42%)1872500.0 WDrop High
2.5 mm²24 A18 A1297.31 V (312.6%)0.0 V2139.95 V (515.65%)1123500.0 WDrop High
4 mm²32 A25 A810.82 V (195.38%)0.0 V1337.47 V (322.28%)702187.5 WDrop High
6 mm²41 A32 A540.54 V (130.25%)0.0 V891.65 V (214.85%)468125.0 WDrop High
10 mm²57 A44 A324.33 V (78.15%)90.7 V534.99 V (128.91%)280875.0 WDrop High
16 mm²76 A59 A202.7 V (48.84%)212.3 V334.37 V (80.57%)175546.9 WDrop High
25 mm²101 A78 A129.73 V (31.26%)285.3 V213.99 V (51.57%)112350.0 WDrop High
35 mm²125 A97 A92.66 V (22.33%)322.3 V152.85 V (36.83%)80250.0 WDrop High
50 mm²151 A118 A64.87 V (15.63%)350.1 V107.0 V (25.78%)56175.0 WDrop High
70 mm²192 A150 A46.33 V (11.16%)368.7 V76.43 V (18.42%)40125.0 WDrop High
95 mm²232 A181 A34.14 V (8.23%)380.9 V56.31 V (13.57%)29565.8 WDrop High
120 mm²269 A210 A27.03 V (6.51%)388.0 V44.58 V (10.74%)23406.2 WDrop High
150 mm²309 A241 A21.62 V (5.21%)393.4 V35.67 V (8.59%)18725.0 WDrop High
185 mm²353 A275 A17.53 V (4.22%)397.5 V28.92 V (6.97%)15182.4 WDrop High
240 mm²415 A324 A13.51 V (3.26%)401.5 V22.29 V (5.37%)11703.1 WDrop High
300 mm²477 A372 A10.81 V (2.61%)404.2 V17.83 V (4.3%)9362.5 WDrop High
400 mm²570 A445 A8.11 V (1.95%)406.9 V13.37 V (3.22%)7021.9 W✓ OK (≤3%)

FAQ — 500 Amp Cable Size at 175 Meters (415V Three-Phase (UK / Australia Industrial))

What mm² cable size is required for 500A at 175 meters (415V)?

According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 400 mm² copper cable for 500A over 175m at 415V (voltage drop: 8.11V or 1.95%).

What is the power capacity of 500A at 415V?

At unity power factor, 500A at 415V supports 359.4 kW with a standard 500A circuit breaker.