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

150 Amp Cable Size at 300 Meters (415V Three-Phase (UK / Australia Industrial))

IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 150 A over 300 m (984.3 ft).

Copper Cable (≤3% Drop)150 mm²Drop: 11.12V (2.68%)
Aluminum Cable (≤3% Drop)240 mm²Drop: 11.46V (2.76%)
Voltage at Load403.9 VLine Loss: 2889.0 W
Max Power & Breaker107.82 kW150A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 150A at 300m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A1111.98 V (267.95%)0.0 V1834.24 V (441.99%)288900.0 WDrop High
2.5 mm²24 A18 A667.19 V (160.77%)0.0 V1100.55 V (265.19%)173340.0 WDrop High
4 mm²32 A25 A416.99 V (100.48%)0.0 V687.84 V (165.74%)108337.5 WDrop High
6 mm²41 A32 A277.99 V (66.99%)137.0 V458.56 V (110.5%)72225.0 WDrop High
10 mm²57 A44 A166.8 V (40.19%)248.2 V275.14 V (66.3%)43335.0 WDrop High
16 mm²76 A59 A104.25 V (25.12%)310.8 V171.96 V (41.44%)27084.4 WDrop High
25 mm²101 A78 A66.72 V (16.08%)348.3 V110.05 V (26.52%)17334.0 WDrop High
35 mm²125 A97 A47.66 V (11.48%)367.3 V78.61 V (18.94%)12381.4 WDrop High
50 mm²151 A118 A33.36 V (8.04%)381.6 V55.03 V (13.26%)8667.0 WDrop High
70 mm²192 A150 A23.83 V (5.74%)391.2 V39.31 V (9.47%)6190.7 WDrop High
95 mm²232 A181 A17.56 V (4.23%)397.4 V28.96 V (6.98%)4561.6 W~ ≤5%
120 mm²269 A210 A13.9 V (3.35%)401.1 V22.93 V (5.52%)3611.2 W~ ≤5%
150 mm²309 A241 A11.12 V (2.68%)403.9 V18.34 V (4.42%)2889.0 W✓ OK (≤3%)
185 mm²353 A275 A9.02 V (2.17%)406.0 V14.87 V (3.58%)2342.4 W✓ OK (≤3%)
240 mm²415 A324 A6.95 V (1.67%)408.1 V11.46 V (2.76%)1805.6 W✓ OK (≤3%)
300 mm²477 A372 A5.56 V (1.34%)409.4 V9.17 V (2.21%)1444.5 W✓ OK (≤3%)
400 mm²570 A445 A4.17 V (1.0%)410.8 V6.88 V (1.66%)1083.4 W✓ OK (≤3%)

FAQ — 150 Amp Cable Size at 300 Meters (415V Three-Phase (UK / Australia Industrial))

What mm² cable size is required for 150A at 300 meters (415V)?

According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 150 mm² copper cable for 150A over 300m at 415V (voltage drop: 11.12V or 2.68%).

What is the power capacity of 150A at 415V?

At unity power factor, 150A at 415V supports 107.82 kW with a standard 150A circuit breaker.