⚡ 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 350 Meters (230V Single-Phase (IEC Europe / UK / AU))

IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 500 A over 350 m (1148.3 ft).

Copper Cable (≤3% Drop)3× 400 mm²Drop: 6.24V (2.71%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 30.89V (13.43%)
Voltage at Load223.8 VLine Loss: 3120.8 W
Max Power & Breaker115.0 kW500A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 500A at 350m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A4993.33 V (2171.01%)0.0 V8236.67 V (3581.16%)2496666.7 WDrop High
2.5 mm²24 A18 A2996.0 V (1302.61%)0.0 V4942.0 V (2148.7%)1498000.0 WDrop High
4 mm²32 A25 A1872.5 V (814.13%)0.0 V3088.75 V (1342.93%)936250.0 WDrop High
6 mm²41 A32 A1248.33 V (542.75%)0.0 V2059.17 V (895.29%)624166.7 WDrop High
10 mm²57 A44 A749.0 V (325.65%)0.0 V1235.5 V (537.17%)374500.0 WDrop High
16 mm²76 A59 A468.12 V (203.53%)0.0 V772.19 V (335.73%)234062.5 WDrop High
25 mm²101 A78 A299.6 V (130.26%)0.0 V494.2 V (214.87%)149800.0 WDrop High
35 mm²125 A97 A214.0 V (93.04%)16.0 V353.0 V (153.48%)107000.0 WDrop High
50 mm²151 A118 A149.8 V (65.13%)80.2 V247.1 V (107.43%)74900.0 WDrop High
70 mm²192 A150 A107.0 V (46.52%)123.0 V176.5 V (76.74%)53500.0 WDrop High
95 mm²232 A181 A78.84 V (34.28%)151.2 V130.05 V (56.54%)39421.1 WDrop High
120 mm²269 A210 A62.42 V (27.14%)167.6 V102.96 V (44.76%)31208.3 WDrop High
150 mm²309 A241 A49.93 V (21.71%)180.1 V82.37 V (35.81%)24966.7 WDrop High
185 mm²353 A275 A40.49 V (17.6%)189.5 V66.78 V (29.04%)20243.2 WDrop High
240 mm²415 A324 A31.21 V (13.57%)198.8 V51.48 V (22.38%)15604.2 WDrop High
300 mm²477 A372 A24.97 V (10.86%)205.0 V41.18 V (17.91%)12483.3 WDrop High
400 mm²570 A445 A18.72 V (8.14%)211.3 V30.89 V (13.43%)9362.5 WDrop High

FAQ — 500 Amp Cable Size at 350 Meters (230V Single-Phase (IEC Europe / UK / AU))

What mm² cable size is required for 500A at 350 meters (230V)?

According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 3× 400 mm² copper cable for 500A over 350m at 230V (voltage drop: 6.24V or 2.71%).

What is the power capacity of 500A at 230V?

At unity power factor, 500A at 230V supports 115.0 kW with a standard 500A circuit breaker.