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

225 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 225 A over 150 m (492.1 ft).

Copper Cable (≤3% Drop)120 mm²Drop: 10.42V (2.51%)
Aluminum Cable (≤3% Drop)185 mm²Drop: 11.15V (2.69%)
Voltage at Load404.6 VLine Loss: 4062.7 W
Max Power & Breaker161.73 kW225A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 225A at 150m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A833.98 V (200.96%)0.0 V1375.68 V (331.49%)325012.5 WDrop High
2.5 mm²24 A18 A500.39 V (120.58%)0.0 V825.41 V (198.89%)195007.5 WDrop High
4 mm²32 A25 A312.74 V (75.36%)102.3 V515.88 V (124.31%)121879.7 WDrop High
6 mm²41 A32 A208.5 V (50.24%)206.5 V343.92 V (82.87%)81253.1 WDrop High
10 mm²57 A44 A125.1 V (30.14%)289.9 V206.35 V (49.72%)48751.9 WDrop High
16 mm²76 A59 A78.19 V (18.84%)336.8 V128.97 V (31.08%)30469.9 WDrop High
25 mm²101 A78 A50.04 V (12.06%)365.0 V82.54 V (19.89%)19500.7 WDrop High
35 mm²125 A97 A35.74 V (8.61%)379.3 V58.96 V (14.21%)13929.1 WDrop High
50 mm²151 A118 A25.02 V (6.03%)390.0 V41.27 V (9.94%)9750.4 WDrop High
70 mm²192 A150 A17.87 V (4.31%)397.1 V29.48 V (7.1%)6964.6 WDrop High
95 mm²232 A181 A13.17 V (3.17%)401.8 V21.72 V (5.23%)5131.8 W~ ≤5%
120 mm²269 A210 A10.42 V (2.51%)404.6 V17.2 V (4.14%)4062.7 W✓ OK (≤3%)
150 mm²309 A241 A8.34 V (2.01%)406.7 V13.76 V (3.31%)3250.1 W✓ OK (≤3%)
185 mm²353 A275 A6.76 V (1.63%)408.2 V11.15 V (2.69%)2635.2 W✓ OK (≤3%)
240 mm²415 A324 A5.21 V (1.26%)409.8 V8.6 V (2.07%)2031.3 W✓ OK (≤3%)
300 mm²477 A372 A4.17 V (1.0%)410.8 V6.88 V (1.66%)1625.1 W✓ OK (≤3%)
400 mm²570 A445 A3.13 V (0.75%)411.9 V5.16 V (1.24%)1218.8 W✓ OK (≤3%)

FAQ — 225 Amp Cable Size at 150 Meters (415V Three-Phase (UK / Australia Industrial))

What mm² cable size is required for 225A at 150 meters (415V)?

According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 120 mm² copper cable for 225A over 150m at 415V (voltage drop: 10.42V or 2.51%).

What is the power capacity of 225A at 415V?

At unity power factor, 225A at 415V supports 161.73 kW with a standard 225A circuit breaker.