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

IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 175 A over 10 m (32.8 ft).

Copper Cable (≤3% Drop)70 mm²Drop: 0.93V (0.13%)
Aluminum Cable (≤3% Drop)95 mm²Drop: 1.13V (0.16%)
Voltage at Load689.1 VLine Loss: 280.9 W
Max Power & Breaker209.15 kW175A MCB/MCCB

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

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A43.24 V (6.27%)646.8 V71.33 V (10.34%)13107.5 WDrop High
2.5 mm²24 A18 A25.95 V (3.76%)664.1 V42.8 V (6.2%)7864.5 WDrop High
4 mm²32 A25 A16.22 V (2.35%)673.8 V26.75 V (3.88%)4915.3 WDrop High
6 mm²41 A32 A10.81 V (1.57%)679.2 V17.83 V (2.58%)3276.9 WDrop High
10 mm²57 A44 A6.49 V (0.94%)683.5 V10.7 V (1.55%)1966.1 WDrop High
16 mm²76 A59 A4.05 V (0.59%)685.9 V6.69 V (0.97%)1228.8 WDrop High
25 mm²101 A78 A2.59 V (0.38%)687.4 V4.28 V (0.62%)786.5 WDrop High
35 mm²125 A97 A1.85 V (0.27%)688.1 V3.06 V (0.44%)561.8 WDrop High
50 mm²151 A118 A1.3 V (0.19%)688.7 V2.14 V (0.31%)393.2 WDrop High
70 mm²192 A150 A0.93 V (0.13%)689.1 V1.53 V (0.22%)280.9 W✓ OK (≤3%)
95 mm²232 A181 A0.68 V (0.1%)689.3 V1.13 V (0.16%)207.0 W✓ OK (≤3%)
120 mm²269 A210 A0.54 V (0.08%)689.5 V0.89 V (0.13%)163.8 W✓ OK (≤3%)
150 mm²309 A241 A0.43 V (0.06%)689.6 V0.71 V (0.1%)131.1 W✓ OK (≤3%)
185 mm²353 A275 A0.35 V (0.05%)689.6 V0.58 V (0.08%)106.3 W✓ OK (≤3%)
240 mm²415 A324 A0.27 V (0.04%)689.7 V0.45 V (0.06%)81.9 W✓ OK (≤3%)
300 mm²477 A372 A0.22 V (0.03%)689.8 V0.36 V (0.05%)65.5 W✓ OK (≤3%)
400 mm²570 A445 A0.16 V (0.02%)689.8 V0.27 V (0.04%)49.2 W✓ OK (≤3%)

FAQ — 175 Amp Cable Size at 10 Meters (690V Three-Phase (Wind / Heavy Industrial))

What mm² cable size is required for 175A at 10 meters (690V)?

According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 70 mm² copper cable for 175A over 10m at 690V (voltage drop: 0.93V or 0.13%).

What is the power capacity of 175A at 690V?

At unity power factor, 175A at 690V supports 209.15 kW with a standard 175A circuit breaker.