⚡ 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 90 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 90 m (295.3 ft).

Copper Cable (≤3% Drop)120 mm²Drop: 5.62V (2.44%)
Aluminum Cable (≤3% Drop)185 mm²Drop: 6.01V (2.61%)
Voltage at Load224.4 VLine Loss: 983.1 W
Max Power & Breaker40.25 kW175A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 175A at 90m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A449.4 V (195.39%)0.0 V741.3 V (322.3%)78645.0 WDrop High
2.5 mm²24 A18 A269.64 V (117.23%)0.0 V444.78 V (193.38%)47187.0 WDrop High
4 mm²32 A25 A168.53 V (73.27%)61.5 V277.99 V (120.86%)29491.9 WDrop High
6 mm²41 A32 A112.35 V (48.85%)117.6 V185.32 V (80.58%)19661.2 WDrop High
10 mm²57 A44 A67.41 V (29.31%)162.6 V111.19 V (48.35%)11796.8 WDrop High
16 mm²76 A59 A42.13 V (18.32%)187.9 V69.5 V (30.22%)7373.0 WDrop High
25 mm²101 A78 A26.96 V (11.72%)203.0 V44.48 V (19.34%)4718.7 WDrop High
35 mm²125 A97 A19.26 V (8.37%)210.7 V31.77 V (13.81%)3370.5 WDrop High
50 mm²151 A118 A13.48 V (5.86%)216.5 V22.24 V (9.67%)2359.3 WDrop High
70 mm²192 A150 A9.63 V (4.19%)220.4 V15.88 V (6.91%)1685.2 W~ ≤5%
95 mm²232 A181 A7.1 V (3.09%)222.9 V11.7 V (5.09%)1241.8 W~ ≤5%
120 mm²269 A210 A5.62 V (2.44%)224.4 V9.27 V (4.03%)983.1 W✓ OK (≤3%)
150 mm²309 A241 A4.49 V (1.95%)225.5 V7.41 V (3.22%)786.4 W✓ OK (≤3%)
185 mm²353 A275 A3.64 V (1.58%)226.4 V6.01 V (2.61%)637.7 W✓ OK (≤3%)
240 mm²415 A324 A2.81 V (1.22%)227.2 V4.63 V (2.01%)491.5 W✓ OK (≤3%)
300 mm²477 A372 A2.25 V (0.98%)227.8 V3.71 V (1.61%)393.2 W✓ OK (≤3%)
400 mm²570 A445 A1.69 V (0.73%)228.3 V2.78 V (1.21%)294.9 W✓ OK (≤3%)

FAQ — 175 Amp Cable Size at 90 Meters (230V Single-Phase (IEC Europe / UK / AU))

What mm² cable size is required for 175A at 90 meters (230V)?

According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 120 mm² copper cable for 175A over 90m at 230V (voltage drop: 5.62V or 2.44%).

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.