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⚡ IEC 60364-5-52 · DIN VDE · NEK 400 · SS 436 40 00

700 Amp Cable Size at 10 Meters (415V Three-Phase (UK / Australia Industrial))

IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 700 A over 10 m (32.8 ft).

Copper Cable (≤3% Drop)2× 400 mm²Drop: 0.33V (0.08%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 1.07V (0.26%)
Voltage at Load414.7 VLine Loss: 393.2 W
Max Power & Breaker503.16 kW700A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 700A at 10m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A172.97 V (41.68%)242.0 V285.33 V (68.75%)209720.0 WDrop High
2.5 mm²24 A18 A103.78 V (25.01%)311.2 V171.2 V (41.25%)125832.0 WDrop High
4 mm²32 A25 A64.87 V (15.63%)350.1 V107.0 V (25.78%)78645.0 WDrop High
6 mm²41 A32 A43.24 V (10.42%)371.8 V71.33 V (17.19%)52430.0 WDrop High
10 mm²57 A44 A25.95 V (6.25%)389.1 V42.8 V (10.31%)31458.0 WDrop High
16 mm²76 A59 A16.22 V (3.91%)398.8 V26.75 V (6.45%)19661.2 WDrop High
25 mm²101 A78 A10.38 V (2.5%)404.6 V17.12 V (4.13%)12583.2 WDrop High
35 mm²125 A97 A7.41 V (1.79%)407.6 V12.23 V (2.95%)8988.0 WDrop High
50 mm²151 A118 A5.19 V (1.25%)409.8 V8.56 V (2.06%)6291.6 WDrop High
70 mm²192 A150 A3.71 V (0.89%)411.3 V6.11 V (1.47%)4494.0 WDrop High
95 mm²232 A181 A2.73 V (0.66%)412.3 V4.51 V (1.09%)3311.4 WDrop High
120 mm²269 A210 A2.16 V (0.52%)412.8 V3.57 V (0.86%)2621.5 WDrop High
150 mm²309 A241 A1.73 V (0.42%)413.3 V2.85 V (0.69%)2097.2 WDrop High
185 mm²353 A275 A1.4 V (0.34%)413.6 V2.31 V (0.56%)1700.4 WDrop High
240 mm²415 A324 A1.08 V (0.26%)413.9 V1.78 V (0.43%)1310.8 WDrop High
300 mm²477 A372 A0.86 V (0.21%)414.1 V1.43 V (0.34%)1048.6 WDrop High
400 mm²570 A445 A0.65 V (0.16%)414.4 V1.07 V (0.26%)786.5 WDrop High

FAQ — 700 Amp Cable Size at 10 Meters (415V Three-Phase (UK / Australia Industrial))

What mm² cable size is required for 700A at 10 meters (415V)?

According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 2× 400 mm² copper cable for 700A over 10m at 415V (voltage drop: 0.33V or 0.08%).

What is the power capacity of 700A at 415V?

At unity power factor, 700A at 415V supports 503.16 kW with a standard 700A circuit breaker.