⚡ 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 25 Ampere ved 30 Meter (230V)

Beregning af kabeltværsnit (mm²), spændingsfald og sikringsstørrelse efter dansk standard DS/HD 60364 for 25 A over 30 m ved 230V.

Copper Cable (≤3% Drop)6 mm²Drop: 5.35V (2.33%)
Aluminum Cable (≤3% Drop)10 mm²Drop: 5.29V (2.3%)
Voltage at Load224.7 VLine Loss: 133.8 W
Max Power & Breaker5.75 kW25A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 25A at 30m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A21.4 V (9.3%)208.6 V35.3 V (15.35%)535.0 WDrop High
2.5 mm²24 A18 A12.84 V (5.58%)217.2 V21.18 V (9.21%)321.0 WDrop High
4 mm²32 A25 A8.03 V (3.49%)222.0 V13.24 V (5.76%)200.6 W~ ≤5%
6 mm²41 A32 A5.35 V (2.33%)224.7 V8.82 V (3.84%)133.8 W✓ OK (≤3%)
10 mm²57 A44 A3.21 V (1.4%)226.8 V5.29 V (2.3%)80.3 W✓ OK (≤3%)
16 mm²76 A59 A2.01 V (0.87%)228.0 V3.31 V (1.44%)50.2 W✓ OK (≤3%)
25 mm²101 A78 A1.28 V (0.56%)228.7 V2.12 V (0.92%)32.1 W✓ OK (≤3%)
35 mm²125 A97 A0.92 V (0.4%)229.1 V1.51 V (0.66%)22.9 W✓ OK (≤3%)
50 mm²151 A118 A0.64 V (0.28%)229.4 V1.06 V (0.46%)16.1 W✓ OK (≤3%)
70 mm²192 A150 A0.46 V (0.2%)229.5 V0.76 V (0.33%)11.5 W✓ OK (≤3%)
95 mm²232 A181 A0.34 V (0.15%)229.7 V0.56 V (0.24%)8.4 W✓ OK (≤3%)
120 mm²269 A210 A0.27 V (0.12%)229.7 V0.44 V (0.19%)6.7 W✓ OK (≤3%)
150 mm²309 A241 A0.21 V (0.09%)229.8 V0.35 V (0.15%)5.3 W✓ OK (≤3%)
185 mm²353 A275 A0.17 V (0.08%)229.8 V0.29 V (0.12%)4.3 W✓ OK (≤3%)
240 mm²415 A324 A0.13 V (0.06%)229.9 V0.22 V (0.1%)3.3 W✓ OK (≤3%)
300 mm²477 A372 A0.11 V (0.05%)229.9 V0.18 V (0.08%)2.7 W✓ OK (≤3%)
400 mm²570 A445 A0.08 V (0.03%)229.9 V0.13 V (0.06%)2.0 W✓ OK (≤3%)

FAQ — Kabeltværsnit for 25 Ampere ved 30 Meter (230V)

Hvilket kabeltværsnit kræves til 25A ved 30 meter (230V)?

Til 25 Ampere over 30 meter ved 230V anbefales 6 mm² kobberkabel (spændingsfald 5.35V / 2.33%).

Hvor mange kW svarer 25A ved 230V til?

Det svarer til 5.75 kW med en anbefalet sikring på 25A.