⚡ 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

10 Amp Cable Size at 175 Meters (400V Three-Phase (IEC European Grid))

IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 10 A over 175 m (574.1 ft).

Copper Cable (≤3% Drop)6 mm²Drop: 10.81V (2.7%)
Aluminum Cable (≤3% Drop)10 mm²Drop: 10.7V (2.67%)
Voltage at Load389.2 VLine Loss: 187.2 W
Max Power & Breaker6.93 kW10A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 10A at 175m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A43.24 V (10.81%)356.8 V71.33 V (17.83%)749.0 WDrop High
2.5 mm²24 A18 A25.95 V (6.49%)374.1 V42.8 V (10.7%)449.4 WDrop High
4 mm²32 A25 A16.22 V (4.05%)383.8 V26.75 V (6.69%)280.9 W~ ≤5%
6 mm²41 A32 A10.81 V (2.7%)389.2 V17.83 V (4.46%)187.2 W✓ OK (≤3%)
10 mm²57 A44 A6.49 V (1.62%)393.5 V10.7 V (2.67%)112.3 W✓ OK (≤3%)
16 mm²76 A59 A4.05 V (1.01%)395.9 V6.69 V (1.67%)70.2 W✓ OK (≤3%)
25 mm²101 A78 A2.59 V (0.65%)397.4 V4.28 V (1.07%)44.9 W✓ OK (≤3%)
35 mm²125 A97 A1.85 V (0.46%)398.1 V3.06 V (0.76%)32.1 W✓ OK (≤3%)
50 mm²151 A118 A1.3 V (0.32%)398.7 V2.14 V (0.53%)22.5 W✓ OK (≤3%)
70 mm²192 A150 A0.93 V (0.23%)399.1 V1.53 V (0.38%)16.0 W✓ OK (≤3%)
95 mm²232 A181 A0.68 V (0.17%)399.3 V1.13 V (0.28%)11.8 W✓ OK (≤3%)
120 mm²269 A210 A0.54 V (0.14%)399.5 V0.89 V (0.22%)9.4 W✓ OK (≤3%)
150 mm²309 A241 A0.43 V (0.11%)399.6 V0.71 V (0.18%)7.5 W✓ OK (≤3%)
185 mm²353 A275 A0.35 V (0.09%)399.6 V0.58 V (0.14%)6.1 W✓ OK (≤3%)
240 mm²415 A324 A0.27 V (0.07%)399.7 V0.45 V (0.11%)4.7 W✓ OK (≤3%)
300 mm²477 A372 A0.22 V (0.05%)399.8 V0.36 V (0.09%)3.7 W✓ OK (≤3%)
400 mm²570 A445 A0.16 V (0.04%)399.8 V0.27 V (0.07%)2.8 W✓ OK (≤3%)

FAQ — 10 Amp Cable Size at 175 Meters (400V Three-Phase (IEC European Grid))

What mm² cable size is required for 10A at 175 meters (400V)?

According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 6 mm² copper cable for 10A over 175m at 400V (voltage drop: 10.81V or 2.7%).

What is the power capacity of 10A at 400V?

At unity power factor, 10A at 400V supports 6.93 kW with a standard 10A circuit breaker.