⚡ 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 250 Ampere ved 35 Meter (230V)

Beregning af kabeltværsnit (mm²), spændingsfald og sikringsstørrelse efter dansk standard DS/HD 60364 for 250 A over 35 m ved 230V.

Copper Cable (≤3% Drop)120 mm²Drop: 3.12V (1.36%)
Aluminum Cable (≤3% Drop)185 mm²Drop: 3.34V (1.45%)
Voltage at Load226.9 VLine Loss: 780.2 W
Max Power & Breaker57.5 kW250A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 250A at 35m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A249.67 V (108.55%)0.0 V411.83 V (179.06%)62416.7 WDrop High
2.5 mm²24 A18 A149.8 V (65.13%)80.2 V247.1 V (107.43%)37450.0 WDrop High
4 mm²32 A25 A93.62 V (40.71%)136.4 V154.44 V (67.15%)23406.2 WDrop High
6 mm²41 A32 A62.42 V (27.14%)167.6 V102.96 V (44.76%)15604.2 WDrop High
10 mm²57 A44 A37.45 V (16.28%)192.6 V61.78 V (26.86%)9362.5 WDrop High
16 mm²76 A59 A23.41 V (10.18%)206.6 V38.61 V (16.79%)5851.6 WDrop High
25 mm²101 A78 A14.98 V (6.51%)215.0 V24.71 V (10.74%)3745.0 WDrop High
35 mm²125 A97 A10.7 V (4.65%)219.3 V17.65 V (7.67%)2675.0 WDrop High
50 mm²151 A118 A7.49 V (3.26%)222.5 V12.36 V (5.37%)1872.5 WDrop High
70 mm²192 A150 A5.35 V (2.33%)224.7 V8.82 V (3.84%)1337.5 WDrop High
95 mm²232 A181 A3.94 V (1.71%)226.1 V6.5 V (2.83%)985.5 WDrop High
120 mm²269 A210 A3.12 V (1.36%)226.9 V5.15 V (2.24%)780.2 W✓ OK (≤3%)
150 mm²309 A241 A2.5 V (1.09%)227.5 V4.12 V (1.79%)624.2 W✓ OK (≤3%)
185 mm²353 A275 A2.02 V (0.88%)228.0 V3.34 V (1.45%)506.1 W✓ OK (≤3%)
240 mm²415 A324 A1.56 V (0.68%)228.4 V2.57 V (1.12%)390.1 W✓ OK (≤3%)
300 mm²477 A372 A1.25 V (0.54%)228.8 V2.06 V (0.9%)312.1 W✓ OK (≤3%)
400 mm²570 A445 A0.94 V (0.41%)229.1 V1.54 V (0.67%)234.1 W✓ OK (≤3%)

FAQ — Kabeltværsnit for 250 Ampere ved 35 Meter (230V)

Hvilket kabeltværsnit kræves til 250A ved 35 meter (230V)?

Til 250 Ampere over 35 meter ved 230V anbefales 120 mm² kobberkabel (spændingsfald 3.12V / 1.36%).

Hvor mange kW svarer 250A ved 230V til?

Det svarer til 57.5 kW med en anbefalet sikring på 250A.