⚡ 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 (690V Three-Phase (Wind / Heavy Industrial))

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)50 mm²Drop: 19.46V (2.82%)
Aluminum Cable (≤3% Drop)95 mm²Drop: 16.89V (2.45%)
Voltage at Load670.5 VLine Loss: 5055.8 W
Max Power & Breaker179.27 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 (94.01%)41.3 V1069.97 V (155.07%)168525.0 WDrop High
2.5 mm²24 A18 A389.19 V (56.4%)300.8 V641.98 V (93.04%)101115.0 WDrop High
4 mm²32 A25 A243.24 V (35.25%)446.8 V401.24 V (58.15%)63196.9 WDrop High
6 mm²41 A32 A162.16 V (23.5%)527.8 V267.49 V (38.77%)42131.2 WDrop High
10 mm²57 A44 A97.3 V (14.1%)592.7 V160.5 V (23.26%)25278.7 WDrop High
16 mm²76 A59 A60.81 V (8.81%)629.2 V100.31 V (14.54%)15799.2 WDrop High
25 mm²101 A78 A38.92 V (5.64%)651.1 V64.2 V (9.3%)10111.5 WDrop High
35 mm²125 A97 A27.8 V (4.03%)662.2 V45.86 V (6.65%)7222.5 WDrop High
50 mm²151 A118 A19.46 V (2.82%)670.5 V32.1 V (4.65%)5055.8 W✓ OK (≤3%)
70 mm²192 A150 A13.9 V (2.01%)676.1 V22.93 V (3.32%)3611.2 W✓ OK (≤3%)
95 mm²232 A181 A10.24 V (1.48%)679.8 V16.89 V (2.45%)2660.9 W✓ OK (≤3%)
120 mm²269 A210 A8.11 V (1.18%)681.9 V13.37 V (1.94%)2106.6 W✓ OK (≤3%)
150 mm²309 A241 A6.49 V (0.94%)683.5 V10.7 V (1.55%)1685.2 W✓ OK (≤3%)
185 mm²353 A275 A5.26 V (0.76%)684.7 V8.68 V (1.26%)1366.4 W✓ OK (≤3%)
240 mm²415 A324 A4.05 V (0.59%)685.9 V6.69 V (0.97%)1053.3 W✓ OK (≤3%)
300 mm²477 A372 A3.24 V (0.47%)686.8 V5.35 V (0.78%)842.6 W✓ OK (≤3%)
400 mm²570 A445 A2.43 V (0.35%)687.6 V4.01 V (0.58%)632.0 W✓ OK (≤3%)

FAQ — 150 Amp Cable Size at 175 Meters (690V Three-Phase (Wind / Heavy Industrial))

What mm² cable size is required for 150A at 175 meters (690V)?

According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 50 mm² copper cable for 150A over 175m at 690V (voltage drop: 19.46V or 2.82%).

What is the power capacity of 150A at 690V?

At unity power factor, 150A at 690V supports 179.27 kW with a standard 150A circuit breaker.