⚡ 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 175 Meters (415V Three-Phase (UK / Australia Industrial))

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

Copper Cable (≤3% Drop)95 mm²Drop: 11.95V (2.88%)
Aluminum Cable (≤3% Drop)185 mm²Drop: 10.12V (2.44%)
Voltage at Load403.1 VLine Loss: 3621.8 W
Max Power & Breaker125.79 kW175A MCB/MCCB

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

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A756.76 V (182.35%)0.0 V1248.3 V (300.8%)229381.2 WDrop High
2.5 mm²24 A18 A454.06 V (109.41%)0.0 V748.98 V (180.48%)137628.7 WDrop High
4 mm²32 A25 A283.79 V (68.38%)131.2 V468.11 V (112.8%)86018.0 WDrop High
6 mm²41 A32 A189.19 V (45.59%)225.8 V312.08 V (75.2%)57345.3 WDrop High
10 mm²57 A44 A113.51 V (27.35%)301.5 V187.25 V (45.12%)34407.2 WDrop High
16 mm²76 A59 A70.95 V (17.1%)344.1 V117.03 V (28.2%)21504.5 WDrop High
25 mm²101 A78 A45.41 V (10.94%)369.6 V74.9 V (18.05%)13762.9 WDrop High
35 mm²125 A97 A32.43 V (7.82%)382.6 V53.5 V (12.89%)9830.6 WDrop High
50 mm²151 A118 A22.7 V (5.47%)392.3 V37.45 V (9.02%)6881.4 WDrop High
70 mm²192 A150 A16.22 V (3.91%)398.8 V26.75 V (6.45%)4915.3 W~ ≤5%
95 mm²232 A181 A11.95 V (2.88%)403.1 V19.71 V (4.75%)3621.8 W✓ OK (≤3%)
120 mm²269 A210 A9.46 V (2.28%)405.5 V15.6 V (3.76%)2867.3 W✓ OK (≤3%)
150 mm²309 A241 A7.57 V (1.82%)407.4 V12.48 V (3.01%)2293.8 W✓ OK (≤3%)
185 mm²353 A275 A6.14 V (1.48%)408.9 V10.12 V (2.44%)1859.8 W✓ OK (≤3%)
240 mm²415 A324 A4.73 V (1.14%)410.3 V7.8 V (1.88%)1433.6 W✓ OK (≤3%)
300 mm²477 A372 A3.78 V (0.91%)411.2 V6.24 V (1.5%)1146.9 W✓ OK (≤3%)
400 mm²570 A445 A2.84 V (0.68%)412.2 V4.68 V (1.13%)860.2 W✓ OK (≤3%)

FAQ — 175 Amp Cable Size at 175 Meters (415V Three-Phase (UK / Australia Industrial))

What mm² cable size is required for 175A at 175 meters (415V)?

According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 95 mm² copper cable for 175A over 175m at 415V (voltage drop: 11.95V or 2.88%).

What is the power capacity of 175A at 415V?

At unity power factor, 175A at 415V supports 125.79 kW with a standard 175A circuit breaker.