⚡ 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

350 Amp Cable Size at 175 Meters (230V Single-Phase (IEC Europe / UK / AU))

IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 350 A over 175 m (574.1 ft).

Copper Cable (≤3% Drop)400 mm²Drop: 6.55V (2.85%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 10.81V (4.7%)
Voltage at Load223.4 VLine Loss: 2293.8 W
Max Power & Breaker80.5 kW350A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 350A at 175m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A1747.67 V (759.86%)0.0 V2882.83 V (1253.41%)611683.3 WDrop High
2.5 mm²24 A18 A1048.6 V (455.91%)0.0 V1729.7 V (752.04%)367010.0 WDrop High
4 mm²32 A25 A655.37 V (284.95%)0.0 V1081.06 V (470.03%)229381.2 WDrop High
6 mm²41 A32 A436.92 V (189.96%)0.0 V720.71 V (313.35%)152920.8 WDrop High
10 mm²57 A44 A262.15 V (113.98%)0.0 V432.42 V (188.01%)91752.5 WDrop High
16 mm²76 A59 A163.84 V (71.24%)66.2 V270.27 V (117.51%)57345.3 WDrop High
25 mm²101 A78 A104.86 V (45.59%)125.1 V172.97 V (75.2%)36701.0 WDrop High
35 mm²125 A97 A74.9 V (32.57%)155.1 V123.55 V (53.72%)26215.0 WDrop High
50 mm²151 A118 A52.43 V (22.8%)177.6 V86.48 V (37.6%)18350.5 WDrop High
70 mm²192 A150 A37.45 V (16.28%)192.6 V61.77 V (26.86%)13107.5 WDrop High
95 mm²232 A181 A27.59 V (12.0%)202.4 V45.52 V (19.79%)9658.2 WDrop High
120 mm²269 A210 A21.85 V (9.5%)208.2 V36.04 V (15.67%)7646.0 WDrop High
150 mm²309 A241 A17.48 V (7.6%)212.5 V28.83 V (12.53%)6116.8 WDrop High
185 mm²353 A275 A14.17 V (6.16%)215.8 V23.37 V (10.16%)4959.6 WDrop High
240 mm²415 A324 A10.92 V (4.75%)219.1 V18.02 V (7.83%)3823.0 W~ ≤5%
300 mm²477 A372 A8.74 V (3.8%)221.3 V14.41 V (6.27%)3058.4 W~ ≤5%
400 mm²570 A445 A6.55 V (2.85%)223.4 V10.81 V (4.7%)2293.8 W✓ OK (≤3%)

FAQ — 350 Amp Cable Size at 175 Meters (230V Single-Phase (IEC Europe / UK / AU))

What mm² cable size is required for 350A at 175 meters (230V)?

According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 400 mm² copper cable for 350A over 175m at 230V (voltage drop: 6.55V or 2.85%).

What is the power capacity of 350A at 230V?

At unity power factor, 350A at 230V supports 80.5 kW with a standard 350A circuit breaker.