⚡ 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

63 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 63 A over 175 m (574.1 ft).

Copper Cable (≤3% Drop)35 mm²Drop: 11.68V (2.81%)
Aluminum Cable (≤3% Drop)70 mm²Drop: 9.63V (2.32%)
Voltage at Load403.3 VLine Loss: 1274.0 W
Max Power & Breaker45.28 kW63A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 63A at 175m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A272.43 V (65.65%)142.6 V449.39 V (108.29%)29727.8 WDrop High
2.5 mm²24 A18 A163.46 V (39.39%)251.5 V269.63 V (64.97%)17836.7 WDrop High
4 mm²32 A25 A102.16 V (24.62%)312.8 V168.52 V (40.61%)11147.9 WDrop High
6 mm²41 A32 A68.11 V (16.41%)346.9 V112.35 V (27.07%)7432.0 WDrop High
10 mm²57 A44 A40.87 V (9.85%)374.1 V67.41 V (16.24%)4459.2 WDrop High
16 mm²76 A59 A25.54 V (6.15%)389.5 V42.13 V (10.15%)2787.0 WDrop High
25 mm²101 A78 A16.35 V (3.94%)398.7 V26.96 V (6.5%)1783.7 W~ ≤5%
35 mm²125 A97 A11.68 V (2.81%)403.3 V19.26 V (4.64%)1274.0 W✓ OK (≤3%)
50 mm²151 A118 A8.17 V (1.97%)406.8 V13.48 V (3.25%)891.8 W✓ OK (≤3%)
70 mm²192 A150 A5.84 V (1.41%)409.2 V9.63 V (2.32%)637.0 W✓ OK (≤3%)
95 mm²232 A181 A4.3 V (1.04%)410.7 V7.1 V (1.71%)469.4 W✓ OK (≤3%)
120 mm²269 A210 A3.41 V (0.82%)411.6 V5.62 V (1.35%)371.6 W✓ OK (≤3%)
150 mm²309 A241 A2.72 V (0.66%)412.3 V4.49 V (1.08%)297.3 W✓ OK (≤3%)
185 mm²353 A275 A2.21 V (0.53%)412.8 V3.64 V (0.88%)241.0 W✓ OK (≤3%)
240 mm²415 A324 A1.7 V (0.41%)413.3 V2.81 V (0.68%)185.8 W✓ OK (≤3%)
300 mm²477 A372 A1.36 V (0.33%)413.6 V2.25 V (0.54%)148.6 W✓ OK (≤3%)
400 mm²570 A445 A1.02 V (0.25%)414.0 V1.69 V (0.41%)111.5 W✓ OK (≤3%)

FAQ — 63 Amp Cable Size at 175 Meters (415V Three-Phase (UK / Australia Industrial))

What mm² cable size is required for 63A at 175 meters (415V)?

According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 35 mm² copper cable for 63A over 175m at 415V (voltage drop: 11.68V or 2.81%).

What is the power capacity of 63A at 415V?

At unity power factor, 63A at 415V supports 45.28 kW with a standard 63A circuit breaker.