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

175 Amp Cable Size at 400 Meters (230V Single-Phase (IEC Europe / UK / AU))

IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 175 A over 400 m (1312.3 ft).

Copper Cable (≤3% Drop)2× 400 mm²Drop: 3.75V (1.63%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 12.35V (5.37%)
Voltage at Load226.2 VLine Loss: 655.4 W
Max Power & Breaker40.25 kW175A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 175A at 400m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A1997.33 V (868.41%)0.0 V3294.67 V (1432.46%)349533.3 WDrop High
2.5 mm²24 A18 A1198.4 V (521.04%)0.0 V1976.8 V (859.48%)209720.0 WDrop High
4 mm²32 A25 A749.0 V (325.65%)0.0 V1235.5 V (537.17%)131075.0 WDrop High
6 mm²41 A32 A499.33 V (217.1%)0.0 V823.67 V (358.12%)87383.3 WDrop High
10 mm²57 A44 A299.6 V (130.26%)0.0 V494.2 V (214.87%)52430.0 WDrop High
16 mm²76 A59 A187.25 V (81.41%)42.8 V308.88 V (134.29%)32768.7 WDrop High
25 mm²101 A78 A119.84 V (52.1%)110.2 V197.68 V (85.95%)20972.0 WDrop High
35 mm²125 A97 A85.6 V (37.22%)144.4 V141.2 V (61.39%)14980.0 WDrop High
50 mm²151 A118 A59.92 V (26.05%)170.1 V98.84 V (42.97%)10486.0 WDrop High
70 mm²192 A150 A42.8 V (18.61%)187.2 V70.6 V (30.7%)7490.0 WDrop High
95 mm²232 A181 A31.54 V (13.71%)198.5 V52.02 V (22.62%)5518.9 WDrop High
120 mm²269 A210 A24.97 V (10.86%)205.0 V41.18 V (17.91%)4369.2 WDrop High
150 mm²309 A241 A19.97 V (8.68%)210.0 V32.95 V (14.32%)3495.3 WDrop High
185 mm²353 A275 A16.19 V (7.04%)213.8 V26.71 V (11.61%)2834.1 WDrop High
240 mm²415 A324 A12.48 V (5.43%)217.5 V20.59 V (8.95%)2184.6 WDrop High
300 mm²477 A372 A9.99 V (4.34%)220.0 V16.47 V (7.16%)1747.7 W~ ≤5%
400 mm²570 A445 A7.49 V (3.26%)222.5 V12.35 V (5.37%)1310.7 W~ ≤5%

FAQ — 175 Amp Cable Size at 400 Meters (230V Single-Phase (IEC Europe / UK / AU))

What mm² cable size is required for 175A at 400 meters (230V)?

According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 2× 400 mm² copper cable for 175A over 400m at 230V (voltage drop: 3.75V or 1.63%).

What is the power capacity of 175A at 230V?

At unity power factor, 175A at 230V supports 40.25 kW with a standard 175A circuit breaker.