⚡ 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 50 Ampere ved 400 Meter (230V)

Beregning af kabeltværsnit (mm²), spændingsfald og sikringsstørrelse efter dansk standard DS/HD 60364 for 50 A over 400 m ved 230V.

Copper Cable (≤3% Drop)150 mm²Drop: 5.71V (2.48%)
Aluminum Cable (≤3% Drop)240 mm²Drop: 5.88V (2.56%)
Voltage at Load224.3 VLine Loss: 285.3 W
Max Power & Breaker11.5 kW50A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 50A at 400m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A570.67 V (248.12%)0.0 V941.33 V (409.28%)28533.3 WDrop High
2.5 mm²24 A18 A342.4 V (148.87%)0.0 V564.8 V (245.57%)17120.0 WDrop High
4 mm²32 A25 A214.0 V (93.04%)16.0 V353.0 V (153.48%)10700.0 WDrop High
6 mm²41 A32 A142.67 V (62.03%)87.3 V235.33 V (102.32%)7133.3 WDrop High
10 mm²57 A44 A85.6 V (37.22%)144.4 V141.2 V (61.39%)4280.0 WDrop High
16 mm²76 A59 A53.5 V (23.26%)176.5 V88.25 V (38.37%)2675.0 WDrop High
25 mm²101 A78 A34.24 V (14.89%)195.8 V56.48 V (24.56%)1712.0 WDrop High
35 mm²125 A97 A24.46 V (10.63%)205.5 V40.34 V (17.54%)1222.9 WDrop High
50 mm²151 A118 A17.12 V (7.44%)212.9 V28.24 V (12.28%)856.0 WDrop High
70 mm²192 A150 A12.23 V (5.32%)217.8 V20.17 V (8.77%)611.4 WDrop High
95 mm²232 A181 A9.01 V (3.92%)221.0 V14.86 V (6.46%)450.5 W~ ≤5%
120 mm²269 A210 A7.13 V (3.1%)222.9 V11.77 V (5.12%)356.7 W~ ≤5%
150 mm²309 A241 A5.71 V (2.48%)224.3 V9.41 V (4.09%)285.3 W✓ OK (≤3%)
185 mm²353 A275 A4.63 V (2.01%)225.4 V7.63 V (3.32%)231.4 W✓ OK (≤3%)
240 mm²415 A324 A3.57 V (1.55%)226.4 V5.88 V (2.56%)178.3 W✓ OK (≤3%)
300 mm²477 A372 A2.85 V (1.24%)227.1 V4.71 V (2.05%)142.7 W✓ OK (≤3%)
400 mm²570 A445 A2.14 V (0.93%)227.9 V3.53 V (1.53%)107.0 W✓ OK (≤3%)

FAQ — Kabeltværsnit for 50 Ampere ved 400 Meter (230V)

Hvilket kabeltværsnit kræves til 50A ved 400 meter (230V)?

Til 50 Ampere over 400 meter ved 230V anbefales 150 mm² kobberkabel (spændingsfald 5.71V / 2.48%).

Hvor mange kW svarer 50A ved 230V til?

Det svarer til 11.5 kW med en anbefalet sikring på 50A.