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

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

IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 90 A over 150 m (492.1 ft).

Copper Cable (≤3% Drop)50 mm²Drop: 10.01V (2.41%)
Aluminum Cable (≤3% Drop)70 mm²Drop: 11.79V (2.84%)
Voltage at Load405.0 VLine Loss: 1560.1 W
Max Power & Breaker64.69 kW90A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 90A at 150m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A333.59 V (80.38%)81.4 V550.27 V (132.6%)52002.0 WDrop High
2.5 mm²24 A18 A200.16 V (48.23%)214.8 V330.16 V (79.56%)31201.2 WDrop High
4 mm²32 A25 A125.1 V (30.14%)289.9 V206.35 V (49.72%)19500.8 WDrop High
6 mm²41 A32 A83.4 V (20.1%)331.6 V137.57 V (33.15%)13000.5 WDrop High
10 mm²57 A44 A50.04 V (12.06%)365.0 V82.54 V (19.89%)7800.3 WDrop High
16 mm²76 A59 A31.27 V (7.54%)383.7 V51.59 V (12.43%)4875.2 WDrop High
25 mm²101 A78 A20.02 V (4.82%)395.0 V33.02 V (7.96%)3120.1 W~ ≤5%
35 mm²125 A97 A14.3 V (3.45%)400.7 V23.58 V (5.68%)2228.7 W~ ≤5%
50 mm²151 A118 A10.01 V (2.41%)405.0 V16.51 V (3.98%)1560.1 W✓ OK (≤3%)
70 mm²192 A150 A7.15 V (1.72%)407.9 V11.79 V (2.84%)1114.3 W✓ OK (≤3%)
95 mm²232 A181 A5.27 V (1.27%)409.7 V8.69 V (2.09%)821.1 W✓ OK (≤3%)
120 mm²269 A210 A4.17 V (1.0%)410.8 V6.88 V (1.66%)650.0 W✓ OK (≤3%)
150 mm²309 A241 A3.34 V (0.8%)411.7 V5.5 V (1.33%)520.0 W✓ OK (≤3%)
185 mm²353 A275 A2.7 V (0.65%)412.3 V4.46 V (1.08%)421.6 W✓ OK (≤3%)
240 mm²415 A324 A2.08 V (0.5%)412.9 V3.44 V (0.83%)325.0 W✓ OK (≤3%)
300 mm²477 A372 A1.67 V (0.4%)413.3 V2.75 V (0.66%)260.0 W✓ OK (≤3%)
400 mm²570 A445 A1.25 V (0.3%)413.7 V2.06 V (0.5%)195.0 W✓ OK (≤3%)

FAQ — 90 Amp Cable Size at 150 Meters (415V Three-Phase (UK / Australia Industrial))

What mm² cable size is required for 90A at 150 meters (415V)?

According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 50 mm² copper cable for 90A over 150m at 415V (voltage drop: 10.01V or 2.41%).

What is the power capacity of 90A at 415V?

At unity power factor, 90A at 415V supports 64.69 kW with a standard 90A circuit breaker.