⚡ 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

175 Amp Cable Size at 5 Meters (230V Single-Phase (IEC Europe / UK / AU))

IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 175 A over 5 m (16.4 ft).

Copper Cable (≤3% Drop)70 mm²Drop: 0.54V (0.23%)
Aluminum Cable (≤3% Drop)95 mm²Drop: 0.65V (0.28%)
Voltage at Load229.5 VLine Loss: 93.6 W
Max Power & Breaker40.25 kW175A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 175A at 5m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A24.97 V (10.86%)205.0 V41.18 V (17.91%)4369.2 WDrop High
2.5 mm²24 A18 A14.98 V (6.51%)215.0 V24.71 V (10.74%)2621.5 WDrop High
4 mm²32 A25 A9.36 V (4.07%)220.6 V15.44 V (6.71%)1638.4 WDrop High
6 mm²41 A32 A6.24 V (2.71%)223.8 V10.3 V (4.48%)1092.3 WDrop High
10 mm²57 A44 A3.74 V (1.63%)226.3 V6.18 V (2.69%)655.4 WDrop High
16 mm²76 A59 A2.34 V (1.02%)227.7 V3.86 V (1.68%)409.6 WDrop High
25 mm²101 A78 A1.5 V (0.65%)228.5 V2.47 V (1.07%)262.1 WDrop High
35 mm²125 A97 A1.07 V (0.47%)228.9 V1.76 V (0.77%)187.2 WDrop High
50 mm²151 A118 A0.75 V (0.33%)229.3 V1.24 V (0.54%)131.1 WDrop High
70 mm²192 A150 A0.54 V (0.23%)229.5 V0.88 V (0.38%)93.6 W✓ OK (≤3%)
95 mm²232 A181 A0.39 V (0.17%)229.6 V0.65 V (0.28%)69.0 W✓ OK (≤3%)
120 mm²269 A210 A0.31 V (0.14%)229.7 V0.51 V (0.22%)54.6 W✓ OK (≤3%)
150 mm²309 A241 A0.25 V (0.11%)229.8 V0.41 V (0.18%)43.7 W✓ OK (≤3%)
185 mm²353 A275 A0.2 V (0.09%)229.8 V0.33 V (0.15%)35.4 W✓ OK (≤3%)
240 mm²415 A324 A0.16 V (0.07%)229.8 V0.26 V (0.11%)27.3 W✓ OK (≤3%)
300 mm²477 A372 A0.12 V (0.05%)229.9 V0.21 V (0.09%)21.8 W✓ OK (≤3%)
400 mm²570 A445 A0.09 V (0.04%)229.9 V0.15 V (0.07%)16.4 W✓ OK (≤3%)

FAQ — 175 Amp Cable Size at 5 Meters (230V Single-Phase (IEC Europe / UK / AU))

What mm² cable size is required for 175A at 5 meters (230V)?

According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 70 mm² copper cable for 175A over 5m at 230V (voltage drop: 0.54V or 0.23%).

What is the power capacity of 175A at 230V?

At unity power factor, 175A at 230V supports 40.25 kW with a standard 175A circuit breaker.