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

800 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 800 A over 150 m (492.1 ft).

Copper Cable (≤3% Drop)2× 400 mm²Drop: 5.56V (1.34%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 18.34V (4.42%)
Voltage at Load409.4 VLine Loss: 7704.0 W
Max Power & Breaker575.04 kW800A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 800A at 150m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A2965.27 V (714.52%)0.0 V4891.31 V (1178.63%)4108800.0 WDrop High
2.5 mm²24 A18 A1779.16 V (428.71%)0.0 V2934.79 V (707.18%)2465280.0 WDrop High
4 mm²32 A25 A1111.98 V (267.95%)0.0 V1834.24 V (441.99%)1540800.0 WDrop High
6 mm²41 A32 A741.32 V (178.63%)0.0 V1222.83 V (294.66%)1027200.0 WDrop High
10 mm²57 A44 A444.79 V (107.18%)0.0 V733.7 V (176.79%)616320.0 WDrop High
16 mm²76 A59 A277.99 V (66.99%)137.0 V458.56 V (110.5%)385200.0 WDrop High
25 mm²101 A78 A177.92 V (42.87%)237.1 V293.48 V (70.72%)246528.0 WDrop High
35 mm²125 A97 A127.08 V (30.62%)287.9 V209.63 V (50.51%)176091.4 WDrop High
50 mm²151 A118 A88.96 V (21.44%)326.0 V146.74 V (35.36%)123264.0 WDrop High
70 mm²192 A150 A63.54 V (15.31%)351.5 V104.81 V (25.26%)88045.7 WDrop High
95 mm²232 A181 A46.82 V (11.28%)368.2 V77.23 V (18.61%)64875.8 WDrop High
120 mm²269 A210 A37.07 V (8.93%)377.9 V61.14 V (14.73%)51360.0 WDrop High
150 mm²309 A241 A29.65 V (7.15%)385.3 V48.91 V (11.79%)41088.0 WDrop High
185 mm²353 A275 A24.04 V (5.79%)391.0 V39.66 V (9.56%)33314.6 WDrop High
240 mm²415 A324 A18.53 V (4.47%)396.5 V30.57 V (7.37%)25680.0 WDrop High
300 mm²477 A372 A14.83 V (3.57%)400.2 V24.46 V (5.89%)20544.0 WDrop High
400 mm²570 A445 A11.12 V (2.68%)403.9 V18.34 V (4.42%)15408.0 WDrop High

FAQ — 800 Amp Cable Size at 150 Meters (415V Three-Phase (UK / Australia Industrial))

What mm² cable size is required for 800A at 150 meters (415V)?

According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 2× 400 mm² copper cable for 800A over 150m at 415V (voltage drop: 5.56V or 1.34%).

What is the power capacity of 800A at 415V?

At unity power factor, 800A at 415V supports 575.04 kW with a standard 800A circuit breaker.