⚡ 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

Kabeltværsnit for 125 Ampere ved 500 Meter (230V)

Beregning af kabeltværsnit (mm²), spændingsfald og sikringsstørrelse efter dansk standard DS/HD 60364 for 125 A over 500 m ved 230V.

Copper Cable (≤3% Drop)400 mm²Drop: 6.69V (2.91%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 11.03V (4.8%)
Voltage at Load223.3 VLine Loss: 835.9 W
Max Power & Breaker28.75 kW125A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 125A at 500m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A1783.33 V (775.36%)0.0 V2941.67 V (1278.99%)222916.7 WDrop High
2.5 mm²24 A18 A1070.0 V (465.22%)0.0 V1765.0 V (767.39%)133750.0 WDrop High
4 mm²32 A25 A668.75 V (290.76%)0.0 V1103.12 V (479.62%)83593.8 WDrop High
6 mm²41 A32 A445.83 V (193.84%)0.0 V735.42 V (319.75%)55729.2 WDrop High
10 mm²57 A44 A267.5 V (116.3%)0.0 V441.25 V (191.85%)33437.5 WDrop High
16 mm²76 A59 A167.19 V (72.69%)62.8 V275.78 V (119.9%)20898.4 WDrop High
25 mm²101 A78 A107.0 V (46.52%)123.0 V176.5 V (76.74%)13375.0 WDrop High
35 mm²125 A97 A76.43 V (33.23%)153.6 V126.07 V (54.81%)9553.6 WDrop High
50 mm²151 A118 A53.5 V (23.26%)176.5 V88.25 V (38.37%)6687.5 WDrop High
70 mm²192 A150 A38.21 V (16.61%)191.8 V63.04 V (27.41%)4776.8 WDrop High
95 mm²232 A181 A28.16 V (12.24%)201.8 V46.45 V (20.19%)3519.7 WDrop High
120 mm²269 A210 A22.29 V (9.69%)207.7 V36.77 V (15.99%)2786.5 WDrop High
150 mm²309 A241 A17.83 V (7.75%)212.2 V29.42 V (12.79%)2229.2 WDrop High
185 mm²353 A275 A14.46 V (6.29%)215.5 V23.85 V (10.37%)1807.4 WDrop High
240 mm²415 A324 A11.15 V (4.85%)218.9 V18.39 V (7.99%)1393.2 W~ ≤5%
300 mm²477 A372 A8.92 V (3.88%)221.1 V14.71 V (6.39%)1114.6 W~ ≤5%
400 mm²570 A445 A6.69 V (2.91%)223.3 V11.03 V (4.8%)835.9 W✓ OK (≤3%)

FAQ — Kabeltværsnit for 125 Ampere ved 500 Meter (230V)

Hvilket kabeltværsnit kræves til 125A ved 500 meter (230V)?

Til 125 Ampere over 500 meter ved 230V anbefales 400 mm² kobberkabel (spændingsfald 6.69V / 2.91%).

Hvor mange kW svarer 125A ved 230V til?

Det svarer til 28.75 kW med en anbefalet sikring på 125A.