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

225 Amp Cable Size at 150 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 150 m (492.1 ft).

Copper Cable (≤3% Drop)6× 400 mm²Drop: 0.6V (2.51%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 5.96V (24.82%)
Voltage at Load23.4 VLine Loss: 135.4 W
Max Power & Breaker5.4 kW225A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 225A at 150m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A963.0 V (4012.5%)0.0 V1588.5 V (6618.75%)216675.0 WDrop High
2.5 mm²24 A18 A577.8 V (2407.5%)0.0 V953.1 V (3971.25%)130005.0 WDrop High
4 mm²32 A25 A361.12 V (1504.69%)0.0 V595.69 V (2482.03%)81253.1 WDrop High
6 mm²41 A32 A240.75 V (1003.12%)0.0 V397.12 V (1654.69%)54168.8 WDrop High
10 mm²57 A44 A144.45 V (601.88%)0.0 V238.27 V (992.81%)32501.2 WDrop High
16 mm²76 A59 A90.28 V (376.17%)0.0 V148.92 V (620.51%)20313.3 WDrop High
25 mm²101 A78 A57.78 V (240.75%)0.0 V95.31 V (397.12%)13000.5 WDrop High
35 mm²125 A97 A41.27 V (171.96%)0.0 V68.08 V (283.66%)9286.1 WDrop High
50 mm²151 A118 A28.89 V (120.37%)0.0 V47.65 V (198.56%)6500.2 WDrop High
70 mm²192 A150 A20.64 V (85.98%)3.4 V34.04 V (141.83%)4643.0 WDrop High
95 mm²232 A181 A15.21 V (63.36%)8.8 V25.08 V (104.51%)3421.2 WDrop High
120 mm²269 A210 A12.04 V (50.16%)12.0 V19.86 V (82.73%)2708.4 WDrop High
150 mm²309 A241 A9.63 V (40.12%)14.4 V15.88 V (66.19%)2166.8 WDrop High
185 mm²353 A275 A7.81 V (32.53%)16.2 V12.88 V (53.67%)1756.8 WDrop High
240 mm²415 A324 A6.02 V (25.08%)18.0 V9.93 V (41.37%)1354.2 WDrop High
300 mm²477 A372 A4.81 V (20.06%)19.2 V7.94 V (33.09%)1083.4 WDrop High
400 mm²570 A445 A3.61 V (15.05%)20.4 V5.96 V (24.82%)812.5 WDrop High

FAQ — 225 Amp Cable Size at 150 Meters (24V DC (Off-Grid Solar / Industrial Control))

What mm² cable size is required for 225A at 150 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 150m at 24V (voltage drop: 0.6V or 2.51%).

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.