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

700 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 700 A over 175 m (574.1 ft).

Copper Cable (≤3% Drop)2× 400 mm²Drop: 5.67V (1.37%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 18.72V (4.51%)
Voltage at Load409.3 VLine Loss: 6881.4 W
Max Power & Breaker503.16 kW700A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 700A at 175m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A3027.05 V (729.41%)0.0 V4993.21 V (1203.18%)3670100.0 WDrop High
2.5 mm²24 A18 A1816.23 V (437.65%)0.0 V2995.93 V (721.91%)2202060.0 WDrop High
4 mm²32 A25 A1135.14 V (273.53%)0.0 V1872.46 V (451.19%)1376287.5 WDrop High
6 mm²41 A32 A756.76 V (182.35%)0.0 V1248.3 V (300.8%)917525.0 WDrop High
10 mm²57 A44 A454.06 V (109.41%)0.0 V748.98 V (180.48%)550515.0 WDrop High
16 mm²76 A59 A283.79 V (68.38%)131.2 V468.11 V (112.8%)344071.9 WDrop High
25 mm²101 A78 A181.62 V (43.76%)233.4 V299.59 V (72.19%)220206.0 WDrop High
35 mm²125 A97 A129.73 V (31.26%)285.3 V213.99 V (51.57%)157290.0 WDrop High
50 mm²151 A118 A90.81 V (21.88%)324.2 V149.8 V (36.1%)110103.0 WDrop High
70 mm²192 A150 A64.87 V (15.63%)350.1 V107.0 V (25.78%)78645.0 WDrop High
95 mm²232 A181 A47.8 V (11.52%)367.2 V78.84 V (19.0%)57948.9 WDrop High
120 mm²269 A210 A37.84 V (9.12%)377.2 V62.42 V (15.04%)45876.2 WDrop High
150 mm²309 A241 A30.27 V (7.29%)384.7 V49.93 V (12.03%)36701.0 WDrop High
185 mm²353 A275 A24.54 V (5.91%)390.5 V40.49 V (9.76%)29757.6 WDrop High
240 mm²415 A324 A18.92 V (4.56%)396.1 V31.21 V (7.52%)22938.1 WDrop High
300 mm²477 A372 A15.14 V (3.65%)399.9 V24.97 V (6.02%)18350.5 WDrop High
400 mm²570 A445 A11.35 V (2.74%)403.6 V18.72 V (4.51%)13762.9 WDrop High

FAQ — 700 Amp Cable Size at 175 Meters (415V Three-Phase (UK / Australia Industrial))

What mm² cable size is required for 700A at 175 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 175m at 415V (voltage drop: 5.67V or 1.37%).

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.