⚡ 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 275 Ampere ved 40 Meter (230V)

Beregning af kabeltværsnit (mm²), spændingsfald og sikringsstørrelse efter dansk standard DS/HD 60364 for 275 A over 40 m ved 230V.

Copper Cable (≤3% Drop)150 mm²Drop: 3.14V (1.36%)
Aluminum Cable (≤3% Drop)185 mm²Drop: 4.2V (1.83%)
Voltage at Load226.9 VLine Loss: 863.1 W
Max Power & Breaker63.25 kW300A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 275A at 40m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A313.87 V (136.46%)0.0 V517.73 V (225.1%)86313.3 WDrop High
2.5 mm²24 A18 A188.32 V (81.88%)41.7 V310.64 V (135.06%)51788.0 WDrop High
4 mm²32 A25 A117.7 V (51.17%)112.3 V194.15 V (84.41%)32367.5 WDrop High
6 mm²41 A32 A78.47 V (34.12%)151.5 V129.43 V (56.28%)21578.3 WDrop High
10 mm²57 A44 A47.08 V (20.47%)182.9 V77.66 V (33.77%)12947.0 WDrop High
16 mm²76 A59 A29.43 V (12.79%)200.6 V48.54 V (21.1%)8091.9 WDrop High
25 mm²101 A78 A18.83 V (8.19%)211.2 V31.06 V (13.51%)5178.8 WDrop High
35 mm²125 A97 A13.45 V (5.85%)216.5 V22.19 V (9.65%)3699.1 WDrop High
50 mm²151 A118 A9.42 V (4.09%)220.6 V15.53 V (6.75%)2589.4 WDrop High
70 mm²192 A150 A6.73 V (2.92%)223.3 V11.09 V (4.82%)1849.6 WDrop High
95 mm²232 A181 A4.96 V (2.15%)225.0 V8.17 V (3.55%)1362.8 WDrop High
120 mm²269 A210 A3.92 V (1.71%)226.1 V6.47 V (2.81%)1078.9 WDrop High
150 mm²309 A241 A3.14 V (1.36%)226.9 V5.18 V (2.25%)863.1 W✓ OK (≤3%)
185 mm²353 A275 A2.54 V (1.11%)227.5 V4.2 V (1.83%)699.8 W✓ OK (≤3%)
240 mm²415 A324 A1.96 V (0.85%)228.0 V3.24 V (1.41%)539.5 W✓ OK (≤3%)
300 mm²477 A372 A1.57 V (0.68%)228.4 V2.59 V (1.13%)431.6 W✓ OK (≤3%)
400 mm²570 A445 A1.18 V (0.51%)228.8 V1.94 V (0.84%)323.7 W✓ OK (≤3%)

FAQ — Kabeltværsnit for 275 Ampere ved 40 Meter (230V)

Hvilket kabeltværsnit kræves til 275A ved 40 meter (230V)?

Til 275 Ampere over 40 meter ved 230V anbefales 150 mm² kobberkabel (spændingsfald 3.14V / 1.36%).

Hvor mange kW svarer 275A ved 230V til?

Det svarer til 63.25 kW med en anbefalet sikring på 300A.