⚡ 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 90 Meter (230V)

Beregning af kabeltværsnit (mm²), spændingsfald og sikringsstørrelse efter dansk standard DS/HD 60364 for 50 A over 90 m ved 230V.

Copper Cable (≤3% Drop)35 mm²Drop: 5.5V (2.39%)
Aluminum Cable (≤3% Drop)50 mm²Drop: 6.35V (2.76%)
Voltage at Load224.5 VLine Loss: 275.1 W
Max Power & Breaker11.5 kW50A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 50A at 90m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A128.4 V (55.83%)101.6 V211.8 V (92.09%)6420.0 WDrop High
2.5 mm²24 A18 A77.04 V (33.5%)153.0 V127.08 V (55.25%)3852.0 WDrop High
4 mm²32 A25 A48.15 V (20.93%)181.8 V79.42 V (34.53%)2407.5 WDrop High
6 mm²41 A32 A32.1 V (13.96%)197.9 V52.95 V (23.02%)1605.0 WDrop High
10 mm²57 A44 A19.26 V (8.37%)210.7 V31.77 V (13.81%)963.0 WDrop High
16 mm²76 A59 A12.04 V (5.23%)218.0 V19.86 V (8.63%)601.9 WDrop High
25 mm²101 A78 A7.7 V (3.35%)222.3 V12.71 V (5.53%)385.2 W~ ≤5%
35 mm²125 A97 A5.5 V (2.39%)224.5 V9.08 V (3.95%)275.1 W✓ OK (≤3%)
50 mm²151 A118 A3.85 V (1.67%)226.1 V6.35 V (2.76%)192.6 W✓ OK (≤3%)
70 mm²192 A150 A2.75 V (1.2%)227.2 V4.54 V (1.97%)137.6 W✓ OK (≤3%)
95 mm²232 A181 A2.03 V (0.88%)228.0 V3.34 V (1.45%)101.4 W✓ OK (≤3%)
120 mm²269 A210 A1.6 V (0.7%)228.4 V2.65 V (1.15%)80.2 W✓ OK (≤3%)
150 mm²309 A241 A1.28 V (0.56%)228.7 V2.12 V (0.92%)64.2 W✓ OK (≤3%)
185 mm²353 A275 A1.04 V (0.45%)229.0 V1.72 V (0.75%)52.1 W✓ OK (≤3%)
240 mm²415 A324 A0.8 V (0.35%)229.2 V1.32 V (0.58%)40.1 W✓ OK (≤3%)
300 mm²477 A372 A0.64 V (0.28%)229.4 V1.06 V (0.46%)32.1 W✓ OK (≤3%)
400 mm²570 A445 A0.48 V (0.21%)229.5 V0.79 V (0.35%)24.1 W✓ OK (≤3%)

FAQ — Kabeltværsnit for 50 Ampere ved 90 Meter (230V)

Hvilket kabeltværsnit kræves til 50A ved 90 meter (230V)?

Til 50 Ampere over 90 meter ved 230V anbefales 35 mm² kobberkabel (spændingsfald 5.5V / 2.39%).

Hvor mange kW svarer 50A ved 230V til?

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