⚡ 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

150 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 150 A over 175 m (574.1 ft).

Copper Cable (≤3% Drop)95 mm²Drop: 10.24V (2.56%)
Aluminum Cable (≤3% Drop)150 mm²Drop: 10.7V (2.67%)
Voltage at Load389.8 VLine Loss: 2660.9 W
Max Power & Breaker103.92 kW150A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 150A at 175m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A648.65 V (162.16%)0.0 V1069.97 V (267.49%)168525.0 WDrop High
2.5 mm²24 A18 A389.19 V (97.3%)10.8 V641.98 V (160.5%)101115.0 WDrop High
4 mm²32 A25 A243.24 V (60.81%)156.8 V401.24 V (100.31%)63196.9 WDrop High
6 mm²41 A32 A162.16 V (40.54%)237.8 V267.49 V (66.87%)42131.2 WDrop High
10 mm²57 A44 A97.3 V (24.32%)302.7 V160.5 V (40.12%)25278.7 WDrop High
16 mm²76 A59 A60.81 V (15.2%)339.2 V100.31 V (25.08%)15799.2 WDrop High
25 mm²101 A78 A38.92 V (9.73%)361.1 V64.2 V (16.05%)10111.5 WDrop High
35 mm²125 A97 A27.8 V (6.95%)372.2 V45.86 V (11.46%)7222.5 WDrop High
50 mm²151 A118 A19.46 V (4.86%)380.5 V32.1 V (8.02%)5055.8 W~ ≤5%
70 mm²192 A150 A13.9 V (3.47%)386.1 V22.93 V (5.73%)3611.2 W~ ≤5%
95 mm²232 A181 A10.24 V (2.56%)389.8 V16.89 V (4.22%)2660.9 W✓ OK (≤3%)
120 mm²269 A210 A8.11 V (2.03%)391.9 V13.37 V (3.34%)2106.6 W✓ OK (≤3%)
150 mm²309 A241 A6.49 V (1.62%)393.5 V10.7 V (2.67%)1685.2 W✓ OK (≤3%)
185 mm²353 A275 A5.26 V (1.31%)394.7 V8.68 V (2.17%)1366.4 W✓ OK (≤3%)
240 mm²415 A324 A4.05 V (1.01%)395.9 V6.69 V (1.67%)1053.3 W✓ OK (≤3%)
300 mm²477 A372 A3.24 V (0.81%)396.8 V5.35 V (1.34%)842.6 W✓ OK (≤3%)
400 mm²570 A445 A2.43 V (0.61%)397.6 V4.01 V (1.0%)632.0 W✓ OK (≤3%)

FAQ — 150 Amp Cable Size at 175 Meters (400V Three-Phase (IEC European Grid))

What mm² cable size is required for 150A at 175 meters (400V)?

According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 95 mm² copper cable for 150A over 175m at 400V (voltage drop: 10.24V or 2.56%).

What is the power capacity of 150A at 400V?

At unity power factor, 150A at 400V supports 103.92 kW with a standard 150A circuit breaker.