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

450 Amp Cable Size at 10 Meters (230V Single-Phase (IEC Europe / UK / AU))

IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 450 A over 10 m (32.8 ft).

Copper Cable (≤3% Drop)300 mm²Drop: 0.64V (0.28%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 0.79V (0.35%)
Voltage at Load229.4 VLine Loss: 288.9 W
Max Power & Breaker103.5 kW450A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 450A at 10m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A128.4 V (55.83%)101.6 V211.8 V (92.09%)57780.0 WDrop High
2.5 mm²24 A18 A77.04 V (33.5%)153.0 V127.08 V (55.25%)34668.0 WDrop High
4 mm²32 A25 A48.15 V (20.93%)181.8 V79.42 V (34.53%)21667.5 WDrop High
6 mm²41 A32 A32.1 V (13.96%)197.9 V52.95 V (23.02%)14445.0 WDrop High
10 mm²57 A44 A19.26 V (8.37%)210.7 V31.77 V (13.81%)8667.0 WDrop High
16 mm²76 A59 A12.04 V (5.23%)218.0 V19.86 V (8.63%)5416.9 WDrop High
25 mm²101 A78 A7.7 V (3.35%)222.3 V12.71 V (5.53%)3466.8 WDrop High
35 mm²125 A97 A5.5 V (2.39%)224.5 V9.08 V (3.95%)2476.3 WDrop High
50 mm²151 A118 A3.85 V (1.67%)226.1 V6.35 V (2.76%)1733.4 WDrop High
70 mm²192 A150 A2.75 V (1.2%)227.2 V4.54 V (1.97%)1238.1 WDrop High
95 mm²232 A181 A2.03 V (0.88%)228.0 V3.34 V (1.45%)912.3 WDrop High
120 mm²269 A210 A1.6 V (0.7%)228.4 V2.65 V (1.15%)722.2 WDrop High
150 mm²309 A241 A1.28 V (0.56%)228.7 V2.12 V (0.92%)577.8 WDrop High
185 mm²353 A275 A1.04 V (0.45%)229.0 V1.72 V (0.75%)468.5 WDrop High
240 mm²415 A324 A0.8 V (0.35%)229.2 V1.32 V (0.58%)361.1 WDrop High
300 mm²477 A372 A0.64 V (0.28%)229.4 V1.06 V (0.46%)288.9 W✓ OK (≤3%)
400 mm²570 A445 A0.48 V (0.21%)229.5 V0.79 V (0.35%)216.7 W✓ OK (≤3%)

FAQ — 450 Amp Cable Size at 10 Meters (230V Single-Phase (IEC Europe / UK / AU))

What mm² cable size is required for 450A at 10 meters (230V)?

According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 300 mm² copper cable for 450A over 10m at 230V (voltage drop: 0.64V or 0.28%).

What is the power capacity of 450A at 230V?

At unity power factor, 450A at 230V supports 103.5 kW with a standard 450A circuit breaker.