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

375 Amp Cable Size at 35 Meters (415V Three-Phase (UK / Australia Industrial))

IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 375 A over 35 m (114.8 ft).

Copper Cable (≤3% Drop)240 mm²Drop: 2.03V (0.49%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 2.01V (0.48%)
Voltage at Load413.0 VLine Loss: 1316.6 W
Max Power & Breaker269.55 kW400A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 375A at 35m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A324.33 V (78.15%)90.7 V534.99 V (128.91%)210656.2 WDrop High
2.5 mm²24 A18 A194.6 V (46.89%)220.4 V320.99 V (77.35%)126393.7 WDrop High
4 mm²32 A25 A121.62 V (29.31%)293.4 V200.62 V (48.34%)78996.1 WDrop High
6 mm²41 A32 A81.08 V (19.54%)333.9 V133.75 V (32.23%)52664.1 WDrop High
10 mm²57 A44 A48.65 V (11.72%)366.4 V80.25 V (19.34%)31598.4 WDrop High
16 mm²76 A59 A30.41 V (7.33%)384.6 V50.16 V (12.09%)19749.0 WDrop High
25 mm²101 A78 A19.46 V (4.69%)395.5 V32.1 V (7.73%)12639.4 WDrop High
35 mm²125 A97 A13.9 V (3.35%)401.1 V22.93 V (5.52%)9028.1 WDrop High
50 mm²151 A118 A9.73 V (2.34%)405.3 V16.05 V (3.87%)6319.7 WDrop High
70 mm²192 A150 A6.95 V (1.67%)408.1 V11.46 V (2.76%)4514.1 WDrop High
95 mm²232 A181 A5.12 V (1.23%)409.9 V8.45 V (2.04%)3326.2 WDrop High
120 mm²269 A210 A4.05 V (0.98%)410.9 V6.69 V (1.61%)2633.2 WDrop High
150 mm²309 A241 A3.24 V (0.78%)411.8 V5.35 V (1.29%)2106.6 WDrop High
185 mm²353 A275 A2.63 V (0.63%)412.4 V4.34 V (1.05%)1708.0 WDrop High
240 mm²415 A324 A2.03 V (0.49%)413.0 V3.34 V (0.81%)1316.6 W✓ OK (≤3%)
300 mm²477 A372 A1.62 V (0.39%)413.4 V2.67 V (0.64%)1053.3 W✓ OK (≤3%)
400 mm²570 A445 A1.22 V (0.29%)413.8 V2.01 V (0.48%)790.0 W✓ OK (≤3%)

FAQ — 375 Amp Cable Size at 35 Meters (415V Three-Phase (UK / Australia Industrial))

What mm² cable size is required for 375A at 35 meters (415V)?

According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 240 mm² copper cable for 375A over 35m at 415V (voltage drop: 2.03V or 0.49%).

What is the power capacity of 375A at 415V?

At unity power factor, 375A at 415V supports 269.55 kW with a standard 400A circuit breaker.