⚡ 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 225 Ampere ved 25 Meter (230V)

Beregning af kabeltværsnit (mm²), spændingsfald og sikringsstørrelse efter dansk standard DS/HD 60364 for 225 A over 25 m ved 230V.

Copper Cable (≤3% Drop)95 mm²Drop: 2.53V (1.1%)
Aluminum Cable (≤3% Drop)150 mm²Drop: 2.65V (1.15%)
Voltage at Load227.5 VLine Loss: 570.2 W
Max Power & Breaker51.75 kW225A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 225A at 25m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A160.5 V (69.78%)69.5 V264.75 V (115.11%)36112.5 WDrop High
2.5 mm²24 A18 A96.3 V (41.87%)133.7 V158.85 V (69.07%)21667.5 WDrop High
4 mm²32 A25 A60.19 V (26.17%)169.8 V99.28 V (43.17%)13542.2 WDrop High
6 mm²41 A32 A40.12 V (17.45%)189.9 V66.19 V (28.78%)9028.1 WDrop High
10 mm²57 A44 A24.07 V (10.47%)205.9 V39.71 V (17.27%)5416.9 WDrop High
16 mm²76 A59 A15.05 V (6.54%)215.0 V24.82 V (10.79%)3385.5 WDrop High
25 mm²101 A78 A9.63 V (4.19%)220.4 V15.88 V (6.91%)2166.7 WDrop High
35 mm²125 A97 A6.88 V (2.99%)223.1 V11.35 V (4.93%)1547.7 WDrop High
50 mm²151 A118 A4.81 V (2.09%)225.2 V7.94 V (3.45%)1083.4 WDrop High
70 mm²192 A150 A3.44 V (1.5%)226.6 V5.67 V (2.47%)773.8 WDrop High
95 mm²232 A181 A2.53 V (1.1%)227.5 V4.18 V (1.82%)570.2 W✓ OK (≤3%)
120 mm²269 A210 A2.01 V (0.87%)228.0 V3.31 V (1.44%)451.4 W✓ OK (≤3%)
150 mm²309 A241 A1.6 V (0.7%)228.4 V2.65 V (1.15%)361.1 W✓ OK (≤3%)
185 mm²353 A275 A1.3 V (0.57%)228.7 V2.15 V (0.93%)292.8 W✓ OK (≤3%)
240 mm²415 A324 A1.0 V (0.44%)229.0 V1.65 V (0.72%)225.7 W✓ OK (≤3%)
300 mm²477 A372 A0.8 V (0.35%)229.2 V1.32 V (0.58%)180.6 W✓ OK (≤3%)
400 mm²570 A445 A0.6 V (0.26%)229.4 V0.99 V (0.43%)135.4 W✓ OK (≤3%)

FAQ — Kabeltværsnit for 225 Ampere ved 25 Meter (230V)

Hvilket kabeltværsnit kræves til 225A ved 25 meter (230V)?

Til 225 Ampere over 25 meter ved 230V anbefales 95 mm² kobberkabel (spændingsfald 2.53V / 1.1%).

Hvor mange kW svarer 225A ved 230V til?

Det svarer til 51.75 kW med en anbefalet sikring på 225A.