⚡ 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 5 Meter (400V)

Beregning af kabeltværsnit (mm²), spændingsfald og sikringsstørrelse efter dansk standard DS/HD 60364 for 225 A over 5 m ved 400V.

Copper Cable (≤3% Drop)95 mm²Drop: 0.44V (0.11%)
Aluminum Cable (≤3% Drop)150 mm²Drop: 0.46V (0.11%)
Voltage at Load399.6 VLine Loss: 171.1 W
Max Power & Breaker155.88 kW225A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 225A at 5m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A27.8 V (6.95%)372.2 V45.86 V (11.46%)10833.8 WDrop High
2.5 mm²24 A18 A16.68 V (4.17%)383.3 V27.51 V (6.88%)6500.2 WDrop High
4 mm²32 A25 A10.42 V (2.61%)389.6 V17.2 V (4.3%)4062.7 WDrop High
6 mm²41 A32 A6.95 V (1.74%)393.1 V11.46 V (2.87%)2708.4 WDrop High
10 mm²57 A44 A4.17 V (1.04%)395.8 V6.88 V (1.72%)1625.1 WDrop High
16 mm²76 A59 A2.61 V (0.65%)397.4 V4.3 V (1.07%)1015.7 WDrop High
25 mm²101 A78 A1.67 V (0.42%)398.3 V2.75 V (0.69%)650.0 WDrop High
35 mm²125 A97 A1.19 V (0.3%)398.8 V1.97 V (0.49%)464.3 WDrop High
50 mm²151 A118 A0.83 V (0.21%)399.2 V1.38 V (0.34%)325.0 WDrop High
70 mm²192 A150 A0.6 V (0.15%)399.4 V0.98 V (0.25%)232.2 WDrop High
95 mm²232 A181 A0.44 V (0.11%)399.6 V0.72 V (0.18%)171.1 W✓ OK (≤3%)
120 mm²269 A210 A0.35 V (0.09%)399.7 V0.57 V (0.14%)135.4 W✓ OK (≤3%)
150 mm²309 A241 A0.28 V (0.07%)399.7 V0.46 V (0.11%)108.3 W✓ OK (≤3%)
185 mm²353 A275 A0.23 V (0.06%)399.8 V0.37 V (0.09%)87.8 W✓ OK (≤3%)
240 mm²415 A324 A0.17 V (0.04%)399.8 V0.29 V (0.07%)67.7 W✓ OK (≤3%)
300 mm²477 A372 A0.14 V (0.03%)399.9 V0.23 V (0.06%)54.2 W✓ OK (≤3%)
400 mm²570 A445 A0.1 V (0.03%)399.9 V0.17 V (0.04%)40.6 W✓ OK (≤3%)

FAQ — Kabeltværsnit for 225 Ampere ved 5 Meter (400V)

Hvilket kabeltværsnit kræves til 225A ved 5 meter (400V)?

Til 225 Ampere over 5 meter ved 400V anbefales 95 mm² kobberkabel (spændingsfald 0.44V / 0.11%).

Hvor mange kW svarer 225A ved 400V til?

Det svarer til 155.88 kW med en anbefalet sikring på 225A.