⚡ 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 300 Meter (230V)

Beregning af kabeltværsnit (mm²), spændingsfald og sikringsstørrelse efter dansk standard DS/HD 60364 for 275 A over 300 m ved 230V.

Copper Cable (≤3% Drop)2× 400 mm²Drop: 4.42V (1.92%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 14.56V (6.33%)
Voltage at Load225.6 VLine Loss: 1213.8 W
Max Power & Breaker63.25 kW300A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 275A at 300m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A2354.0 V (1023.48%)0.0 V3883.0 V (1688.26%)647350.0 WDrop High
2.5 mm²24 A18 A1412.4 V (614.09%)0.0 V2329.8 V (1012.96%)388410.0 WDrop High
4 mm²32 A25 A882.75 V (383.8%)0.0 V1456.12 V (633.1%)242756.2 WDrop High
6 mm²41 A32 A588.5 V (255.87%)0.0 V970.75 V (422.07%)161837.5 WDrop High
10 mm²57 A44 A353.1 V (153.52%)0.0 V582.45 V (253.24%)97102.5 WDrop High
16 mm²76 A59 A220.69 V (95.95%)9.3 V364.03 V (158.27%)60689.1 WDrop High
25 mm²101 A78 A141.24 V (61.41%)88.8 V232.98 V (101.3%)38841.0 WDrop High
35 mm²125 A97 A100.89 V (43.86%)129.1 V166.41 V (72.35%)27743.6 WDrop High
50 mm²151 A118 A70.62 V (30.7%)159.4 V116.49 V (50.65%)19420.5 WDrop High
70 mm²192 A150 A50.44 V (21.93%)179.6 V83.21 V (36.18%)13871.8 WDrop High
95 mm²232 A181 A37.17 V (16.16%)192.8 V61.31 V (26.66%)10221.3 WDrop High
120 mm²269 A210 A29.43 V (12.79%)200.6 V48.54 V (21.1%)8091.9 WDrop High
150 mm²309 A241 A23.54 V (10.23%)206.5 V38.83 V (16.88%)6473.5 WDrop High
185 mm²353 A275 A19.09 V (8.3%)210.9 V31.48 V (13.69%)5248.8 WDrop High
240 mm²415 A324 A14.71 V (6.4%)215.3 V24.27 V (10.55%)4045.9 WDrop High
300 mm²477 A372 A11.77 V (5.12%)218.2 V19.41 V (8.44%)3236.8 WDrop High
400 mm²570 A445 A8.83 V (3.84%)221.2 V14.56 V (6.33%)2427.6 W~ ≤5%

FAQ — Kabeltværsnit for 275 Ampere ved 300 Meter (230V)

Hvilket kabeltværsnit kræves til 275A ved 300 meter (230V)?

Til 275 Ampere over 300 meter ved 230V anbefales 2× 400 mm² kobberkabel (spændingsfald 4.42V / 1.92%).

Hvor mange kW svarer 275A ved 230V til?

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