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

375 Amp Cable Size at 90 Meters (400V Three-Phase (IEC European Grid))

IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 375 A over 90 m (295.3 ft).

Copper Cable (≤3% Drop)240 mm²Drop: 5.21V (1.3%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 5.16V (1.29%)
Voltage at Load394.8 VLine Loss: 3385.5 W
Max Power & Breaker259.81 kW400A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 375A at 90m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A833.98 V (208.5%)0.0 V1375.68 V (343.92%)541687.5 WDrop High
2.5 mm²24 A18 A500.39 V (125.1%)0.0 V825.41 V (206.35%)325012.5 WDrop High
4 mm²32 A25 A312.74 V (78.19%)87.3 V515.88 V (128.97%)203132.8 WDrop High
6 mm²41 A32 A208.5 V (52.12%)191.5 V343.92 V (85.98%)135421.9 WDrop High
10 mm²57 A44 A125.1 V (31.27%)274.9 V206.35 V (51.59%)81253.1 WDrop High
16 mm²76 A59 A78.19 V (19.55%)321.8 V128.97 V (32.24%)50783.2 WDrop High
25 mm²101 A78 A50.04 V (12.51%)350.0 V82.54 V (20.64%)32501.2 WDrop High
35 mm²125 A97 A35.74 V (8.94%)364.3 V58.96 V (14.74%)23215.2 WDrop High
50 mm²151 A118 A25.02 V (6.25%)375.0 V41.27 V (10.32%)16250.6 WDrop High
70 mm²192 A150 A17.87 V (4.47%)382.1 V29.48 V (7.37%)11607.6 WDrop High
95 mm²232 A181 A13.17 V (3.29%)386.8 V21.72 V (5.43%)8553.0 WDrop High
120 mm²269 A210 A10.42 V (2.61%)389.6 V17.2 V (4.3%)6771.1 WDrop High
150 mm²309 A241 A8.34 V (2.08%)391.7 V13.76 V (3.44%)5416.9 WDrop High
185 mm²353 A275 A6.76 V (1.69%)393.2 V11.15 V (2.79%)4392.1 WDrop High
240 mm²415 A324 A5.21 V (1.3%)394.8 V8.6 V (2.15%)3385.5 W✓ OK (≤3%)
300 mm²477 A372 A4.17 V (1.04%)395.8 V6.88 V (1.72%)2708.4 W✓ OK (≤3%)
400 mm²570 A445 A3.13 V (0.78%)396.9 V5.16 V (1.29%)2031.3 W✓ OK (≤3%)

FAQ — 375 Amp Cable Size at 90 Meters (400V Three-Phase (IEC European Grid))

What mm² cable size is required for 375A at 90 meters (400V)?

According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 240 mm² copper cable for 375A over 90m at 400V (voltage drop: 5.21V or 1.3%).

What is the power capacity of 375A at 400V?

At unity power factor, 375A at 400V supports 259.81 kW with a standard 400A circuit breaker.