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

225 Amp Cable Size at 175 Meters (24V DC (Off-Grid Solar / Industrial Control))

IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 225 A over 175 m (574.1 ft).

Copper Cable (≤3% Drop)6× 400 mm²Drop: 0.7V (2.93%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 6.95V (28.96%)
Voltage at Load23.3 VLine Loss: 158.0 W
Max Power & Breaker5.4 kW225A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 225A at 175m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A1123.5 V (4681.25%)0.0 V1853.25 V (7721.88%)252787.5 WDrop High
2.5 mm²24 A18 A674.1 V (2808.75%)0.0 V1111.95 V (4633.12%)151672.5 WDrop High
4 mm²32 A25 A421.31 V (1755.47%)0.0 V694.97 V (2895.7%)94795.3 WDrop High
6 mm²41 A32 A280.88 V (1170.31%)0.0 V463.31 V (1930.47%)63196.9 WDrop High
10 mm²57 A44 A168.52 V (702.19%)0.0 V277.99 V (1158.28%)37918.1 WDrop High
16 mm²76 A59 A105.33 V (438.87%)0.0 V173.74 V (723.93%)23698.8 WDrop High
25 mm²101 A78 A67.41 V (280.88%)0.0 V111.19 V (463.31%)15167.2 WDrop High
35 mm²125 A97 A48.15 V (200.62%)0.0 V79.42 V (330.94%)10833.7 WDrop High
50 mm²151 A118 A33.7 V (140.44%)0.0 V55.6 V (231.66%)7583.6 WDrop High
70 mm²192 A150 A24.07 V (100.31%)0.0 V39.71 V (165.47%)5416.9 WDrop High
95 mm²232 A181 A17.74 V (73.91%)6.3 V29.26 V (121.92%)3991.4 WDrop High
120 mm²269 A210 A14.04 V (58.52%)10.0 V23.17 V (96.52%)3159.8 WDrop High
150 mm²309 A241 A11.23 V (46.81%)12.8 V18.53 V (77.22%)2527.9 WDrop High
185 mm²353 A275 A9.11 V (37.96%)14.9 V15.03 V (62.61%)2049.6 WDrop High
240 mm²415 A324 A7.02 V (29.26%)17.0 V11.58 V (48.26%)1579.9 WDrop High
300 mm²477 A372 A5.62 V (23.41%)18.4 V9.27 V (38.61%)1263.9 WDrop High
400 mm²570 A445 A4.21 V (17.55%)19.8 V6.95 V (28.96%)948.0 WDrop High

FAQ — 225 Amp Cable Size at 175 Meters (24V DC (Off-Grid Solar / Industrial Control))

What mm² cable size is required for 225A at 175 meters (24V)?

According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 6× 400 mm² copper cable for 225A over 175m at 24V (voltage drop: 0.7V or 2.93%).

What is the power capacity of 225A at 24V?

At unity power factor, 225A at 24V supports 5.4 kW with a standard 225A circuit breaker.