⚡ 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

600 Amp Cable Size at 70 Meters (415V Three-Phase (UK / Australia Industrial))

IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 600 A over 70 m (229.7 ft).

Copper Cable (≤3% Drop)2× 400 mm²Drop: 1.95V (0.47%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 6.42V (1.55%)
Voltage at Load413.1 VLine Loss: 2022.3 W
Max Power & Breaker431.28 kW600A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 600A at 70m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A1037.84 V (250.08%)0.0 V1711.96 V (412.52%)1078560.0 WDrop High
2.5 mm²24 A18 A622.71 V (150.05%)0.0 V1027.18 V (247.51%)647136.0 WDrop High
4 mm²32 A25 A389.19 V (93.78%)25.8 V641.98 V (154.7%)404460.0 WDrop High
6 mm²41 A32 A259.46 V (62.52%)155.5 V427.99 V (103.13%)269640.0 WDrop High
10 mm²57 A44 A155.68 V (37.51%)259.3 V256.79 V (61.88%)161784.0 WDrop High
16 mm²76 A59 A97.3 V (23.45%)317.7 V160.5 V (38.67%)101115.0 WDrop High
25 mm²101 A78 A62.27 V (15.0%)352.7 V102.72 V (24.75%)64713.6 WDrop High
35 mm²125 A97 A44.48 V (10.72%)370.5 V73.37 V (17.68%)46224.0 WDrop High
50 mm²151 A118 A31.14 V (7.5%)383.9 V51.36 V (12.38%)32356.8 WDrop High
70 mm²192 A150 A22.24 V (5.36%)392.8 V36.68 V (8.84%)23112.0 WDrop High
95 mm²232 A181 A16.39 V (3.95%)398.6 V27.03 V (6.51%)17029.9 WDrop High
120 mm²269 A210 A12.97 V (3.13%)402.0 V21.4 V (5.16%)13482.0 WDrop High
150 mm²309 A241 A10.38 V (2.5%)404.6 V17.12 V (4.13%)10785.6 WDrop High
185 mm²353 A275 A8.41 V (2.03%)406.6 V13.88 V (3.34%)8745.1 WDrop High
240 mm²415 A324 A6.49 V (1.56%)408.5 V10.7 V (2.58%)6741.0 WDrop High
300 mm²477 A372 A5.19 V (1.25%)409.8 V8.56 V (2.06%)5392.8 WDrop High
400 mm²570 A445 A3.89 V (0.94%)411.1 V6.42 V (1.55%)4044.6 WDrop High

FAQ — 600 Amp Cable Size at 70 Meters (415V Three-Phase (UK / Australia Industrial))

What mm² cable size is required for 600A at 70 meters (415V)?

According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 2× 400 mm² copper cable for 600A over 70m at 415V (voltage drop: 1.95V or 0.47%).

What is the power capacity of 600A at 415V?

At unity power factor, 600A at 415V supports 431.28 kW with a standard 600A circuit breaker.