⚡ Cu ρ (75°C): 0.0214 Ω·mm²/m 🔌 NEC / IEC Standards: NFPA 70 & IEC 60364 🇺🇸 US Grid Avg: $0.175/kWh 🇩🇪 DE Grid Avg: €0.345/kWh 🇸🇪 SE Elpris: 1.54 SEK/kWh 🇳🇴 NO Strøm: 1.17 NOK/kWh 🔩 Copper Ref: $9,650/t (2026-10-24)
⚡ IEC 60364-5-52 · DIN VDE · NEK 400 · SS 436 40 00

500 Amp Cable Size at 150 Meters (690V Three-Phase (Wind / Heavy Industrial))

IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 500 A over 150 m (492.1 ft).

Copper Cable (≤3% Drop)400 mm²Drop: 6.95V (1.01%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 11.46V (1.66%)
Voltage at Load683.1 VLine Loss: 6018.7 W
Max Power & Breaker597.56 kW500A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 500A at 150m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A1853.29 V (268.59%)0.0 V3057.07 V (443.05%)1605000.0 WDrop High
2.5 mm²24 A18 A1111.98 V (161.16%)0.0 V1834.24 V (265.83%)963000.0 WDrop High
4 mm²32 A25 A694.99 V (100.72%)0.0 V1146.4 V (166.15%)601875.0 WDrop High
6 mm²41 A32 A463.32 V (67.15%)226.7 V764.27 V (110.76%)401250.0 WDrop High
10 mm²57 A44 A277.99 V (40.29%)412.0 V458.56 V (66.46%)240750.0 WDrop High
16 mm²76 A59 A173.75 V (25.18%)516.3 V286.6 V (41.54%)150468.8 WDrop High
25 mm²101 A78 A111.2 V (16.12%)578.8 V183.42 V (26.58%)96300.0 WDrop High
35 mm²125 A97 A79.43 V (11.51%)610.6 V131.02 V (18.99%)68785.7 WDrop High
50 mm²151 A118 A55.6 V (8.06%)634.4 V91.71 V (13.29%)48150.0 WDrop High
70 mm²192 A150 A39.71 V (5.76%)650.3 V65.51 V (9.49%)34392.9 WDrop High
95 mm²232 A181 A29.26 V (4.24%)660.7 V48.27 V (7.0%)25342.1 WDrop High
120 mm²269 A210 A23.17 V (3.36%)666.8 V38.21 V (5.54%)20062.5 WDrop High
150 mm²309 A241 A18.53 V (2.69%)671.5 V30.57 V (4.43%)16050.0 WDrop High
185 mm²353 A275 A15.03 V (2.18%)675.0 V24.79 V (3.59%)13013.5 WDrop High
240 mm²415 A324 A11.58 V (1.68%)678.4 V19.11 V (2.77%)10031.2 WDrop High
300 mm²477 A372 A9.27 V (1.34%)680.7 V15.29 V (2.22%)8025.0 WDrop High
400 mm²570 A445 A6.95 V (1.01%)683.1 V11.46 V (1.66%)6018.7 W✓ OK (≤3%)

FAQ — 500 Amp Cable Size at 150 Meters (690V Three-Phase (Wind / Heavy Industrial))

What mm² cable size is required for 500A at 150 meters (690V)?

According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 400 mm² copper cable for 500A over 150m at 690V (voltage drop: 6.95V or 1.01%).

What is the power capacity of 500A at 690V?

At unity power factor, 500A at 690V supports 597.56 kW with a standard 500A circuit breaker.