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

250 Amp Cable Size at 200 Meters (230V Single-Phase (IEC Europe / UK / AU))

IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 250 A over 200 m (656.2 ft).

Copper Cable (≤3% Drop)400 mm²Drop: 5.35V (2.33%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 8.82V (3.84%)
Voltage at Load224.7 VLine Loss: 1337.5 W
Max Power & Breaker57.5 kW250A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 250A at 200m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A1426.67 V (620.29%)0.0 V2353.33 V (1023.19%)356666.7 WDrop High
2.5 mm²24 A18 A856.0 V (372.17%)0.0 V1412.0 V (613.91%)214000.0 WDrop High
4 mm²32 A25 A535.0 V (232.61%)0.0 V882.5 V (383.7%)133750.0 WDrop High
6 mm²41 A32 A356.67 V (155.07%)0.0 V588.33 V (255.8%)89166.7 WDrop High
10 mm²57 A44 A214.0 V (93.04%)16.0 V353.0 V (153.48%)53500.0 WDrop High
16 mm²76 A59 A133.75 V (58.15%)96.3 V220.62 V (95.92%)33437.5 WDrop High
25 mm²101 A78 A85.6 V (37.22%)144.4 V141.2 V (61.39%)21400.0 WDrop High
35 mm²125 A97 A61.14 V (26.58%)168.9 V100.86 V (43.85%)15285.7 WDrop High
50 mm²151 A118 A42.8 V (18.61%)187.2 V70.6 V (30.7%)10700.0 WDrop High
70 mm²192 A150 A30.57 V (13.29%)199.4 V50.43 V (21.93%)7642.9 WDrop High
95 mm²232 A181 A22.53 V (9.79%)207.5 V37.16 V (16.16%)5631.6 WDrop High
120 mm²269 A210 A17.83 V (7.75%)212.2 V29.42 V (12.79%)4458.3 WDrop High
150 mm²309 A241 A14.27 V (6.2%)215.7 V23.53 V (10.23%)3566.7 WDrop High
185 mm²353 A275 A11.57 V (5.03%)218.4 V19.08 V (8.3%)2891.9 WDrop High
240 mm²415 A324 A8.92 V (3.88%)221.1 V14.71 V (6.39%)2229.2 W~ ≤5%
300 mm²477 A372 A7.13 V (3.1%)222.9 V11.77 V (5.12%)1783.3 W~ ≤5%
400 mm²570 A445 A5.35 V (2.33%)224.7 V8.82 V (3.84%)1337.5 W✓ OK (≤3%)

FAQ — 250 Amp Cable Size at 200 Meters (230V Single-Phase (IEC Europe / UK / AU))

What mm² cable size is required for 250A at 200 meters (230V)?

According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 400 mm² copper cable for 250A over 200m at 230V (voltage drop: 5.35V or 2.33%).

What is the power capacity of 250A at 230V?

At unity power factor, 250A at 230V supports 57.5 kW with a standard 250A circuit breaker.