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

650 Amp Cable Size at 120 Meters (230V Single-Phase (IEC Europe / UK / AU))

IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 650 A over 120 m (393.7 ft).

Copper Cable (≤3% Drop)2× 400 mm²Drop: 4.17V (1.81%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 13.77V (5.99%)
Voltage at Load225.8 VLine Loss: 2712.4 W
Max Power & Breaker149.5 kW700A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 650A at 120m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A2225.6 V (967.65%)0.0 V3671.2 V (1596.17%)1446640.0 WDrop High
2.5 mm²24 A18 A1335.36 V (580.59%)0.0 V2202.72 V (957.7%)867984.0 WDrop High
4 mm²32 A25 A834.6 V (362.87%)0.0 V1376.7 V (598.57%)542490.0 WDrop High
6 mm²41 A32 A556.4 V (241.91%)0.0 V917.8 V (399.04%)361660.0 WDrop High
10 mm²57 A44 A333.84 V (145.15%)0.0 V550.68 V (239.43%)216996.0 WDrop High
16 mm²76 A59 A208.65 V (90.72%)21.3 V344.17 V (149.64%)135622.5 WDrop High
25 mm²101 A78 A133.54 V (58.06%)96.5 V220.27 V (95.77%)86798.4 WDrop High
35 mm²125 A97 A95.38 V (41.47%)134.6 V157.34 V (68.41%)61998.9 WDrop High
50 mm²151 A118 A66.77 V (29.03%)163.2 V110.14 V (47.89%)43399.2 WDrop High
70 mm²192 A150 A47.69 V (20.74%)182.3 V78.67 V (34.2%)30999.4 WDrop High
95 mm²232 A181 A35.14 V (15.28%)194.9 V57.97 V (25.2%)22841.7 WDrop High
120 mm²269 A210 A27.82 V (12.1%)202.2 V45.89 V (19.95%)18083.0 WDrop High
150 mm²309 A241 A22.26 V (9.68%)207.7 V36.71 V (15.96%)14466.4 WDrop High
185 mm²353 A275 A18.05 V (7.85%)212.0 V29.77 V (12.94%)11729.5 WDrop High
240 mm²415 A324 A13.91 V (6.05%)216.1 V22.95 V (9.98%)9041.5 WDrop High
300 mm²477 A372 A11.13 V (4.84%)218.9 V18.36 V (7.98%)7233.2 WDrop High
400 mm²570 A445 A8.35 V (3.63%)221.7 V13.77 V (5.99%)5424.9 WDrop High

FAQ — 650 Amp Cable Size at 120 Meters (230V Single-Phase (IEC Europe / UK / AU))

What mm² cable size is required for 650A at 120 meters (230V)?

According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 2× 400 mm² copper cable for 650A over 120m at 230V (voltage drop: 4.17V or 1.81%).

What is the power capacity of 650A at 230V?

At unity power factor, 650A at 230V supports 149.5 kW with a standard 700A circuit breaker.