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

600 Amp Cable Size at 70 Meters (690V Three-Phase (Wind / Heavy 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 (0.28%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 6.42V (0.93%)
Voltage at Load688.0 VLine Loss: 2022.3 W
Max Power & Breaker717.07 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 (150.41%)0.0 V1711.96 V (248.11%)1078560.0 WDrop High
2.5 mm²24 A18 A622.71 V (90.25%)67.3 V1027.18 V (148.87%)647136.0 WDrop High
4 mm²32 A25 A389.19 V (56.4%)300.8 V641.98 V (93.04%)404460.0 WDrop High
6 mm²41 A32 A259.46 V (37.6%)430.5 V427.99 V (62.03%)269640.0 WDrop High
10 mm²57 A44 A155.68 V (22.56%)534.3 V256.79 V (37.22%)161784.0 WDrop High
16 mm²76 A59 A97.3 V (14.1%)592.7 V160.5 V (23.26%)101115.0 WDrop High
25 mm²101 A78 A62.27 V (9.02%)627.7 V102.72 V (14.89%)64713.6 WDrop High
35 mm²125 A97 A44.48 V (6.45%)645.5 V73.37 V (10.63%)46224.0 WDrop High
50 mm²151 A118 A31.14 V (4.51%)658.9 V51.36 V (7.44%)32356.8 WDrop High
70 mm²192 A150 A22.24 V (3.22%)667.8 V36.68 V (5.32%)23112.0 WDrop High
95 mm²232 A181 A16.39 V (2.37%)673.6 V27.03 V (3.92%)17029.9 WDrop High
120 mm²269 A210 A12.97 V (1.88%)677.0 V21.4 V (3.1%)13482.0 WDrop High
150 mm²309 A241 A10.38 V (1.5%)679.6 V17.12 V (2.48%)10785.6 WDrop High
185 mm²353 A275 A8.41 V (1.22%)681.6 V13.88 V (2.01%)8745.1 WDrop High
240 mm²415 A324 A6.49 V (0.94%)683.5 V10.7 V (1.55%)6741.0 WDrop High
300 mm²477 A372 A5.19 V (0.75%)684.8 V8.56 V (1.24%)5392.8 WDrop High
400 mm²570 A445 A3.89 V (0.56%)686.1 V6.42 V (0.93%)4044.6 WDrop High

FAQ — 600 Amp Cable Size at 70 Meters (690V Three-Phase (Wind / Heavy Industrial))

What mm² cable size is required for 600A at 70 meters (690V)?

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 690V (voltage drop: 1.95V or 0.28%).

What is the power capacity of 600A at 690V?

At unity power factor, 600A at 690V supports 717.07 kW with a standard 600A circuit breaker.