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

200 Amp Cable Size at 25 Meters (690V Three-Phase (Wind / Heavy Industrial))

IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 200 A over 25 m (82.0 ft).

Copper Cable (≤3% Drop)95 mm²Drop: 1.95V (0.28%)
Aluminum Cable (≤3% Drop)120 mm²Drop: 2.55V (0.37%)
Voltage at Load688.0 VLine Loss: 675.8 W
Max Power & Breaker239.02 kW200A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 200A at 25m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A123.55 V (17.91%)566.4 V203.8 V (29.54%)42800.0 WDrop High
2.5 mm²24 A18 A74.13 V (10.74%)615.9 V122.28 V (17.72%)25680.0 WDrop High
4 mm²32 A25 A46.33 V (6.71%)643.7 V76.43 V (11.08%)16050.0 WDrop High
6 mm²41 A32 A30.89 V (4.48%)659.1 V50.95 V (7.38%)10700.0 WDrop High
10 mm²57 A44 A18.53 V (2.69%)671.5 V30.57 V (4.43%)6420.0 WDrop High
16 mm²76 A59 A11.58 V (1.68%)678.4 V19.11 V (2.77%)4012.5 WDrop High
25 mm²101 A78 A7.41 V (1.07%)682.6 V12.23 V (1.77%)2568.0 WDrop High
35 mm²125 A97 A5.3 V (0.77%)684.7 V8.73 V (1.27%)1834.3 WDrop High
50 mm²151 A118 A3.71 V (0.54%)686.3 V6.11 V (0.89%)1284.0 WDrop High
70 mm²192 A150 A2.65 V (0.38%)687.4 V4.37 V (0.63%)917.1 WDrop High
95 mm²232 A181 A1.95 V (0.28%)688.0 V3.22 V (0.47%)675.8 W✓ OK (≤3%)
120 mm²269 A210 A1.54 V (0.22%)688.5 V2.55 V (0.37%)535.0 W✓ OK (≤3%)
150 mm²309 A241 A1.24 V (0.18%)688.8 V2.04 V (0.3%)428.0 W✓ OK (≤3%)
185 mm²353 A275 A1.0 V (0.15%)689.0 V1.65 V (0.24%)347.0 W✓ OK (≤3%)
240 mm²415 A324 A0.77 V (0.11%)689.2 V1.27 V (0.18%)267.5 W✓ OK (≤3%)
300 mm²477 A372 A0.62 V (0.09%)689.4 V1.02 V (0.15%)214.0 W✓ OK (≤3%)
400 mm²570 A445 A0.46 V (0.07%)689.5 V0.76 V (0.11%)160.5 W✓ OK (≤3%)

FAQ — 200 Amp Cable Size at 25 Meters (690V Three-Phase (Wind / Heavy Industrial))

What mm² cable size is required for 200A at 25 meters (690V)?

According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 95 mm² copper cable for 200A over 25m at 690V (voltage drop: 1.95V or 0.28%).

What is the power capacity of 200A at 690V?

At unity power factor, 200A at 690V supports 239.02 kW with a standard 200A circuit breaker.