⚡ 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 250 Meter (230V)

Beregning af kabeltværsnit (mm²), spændingsfald og sikringsstørrelse efter dansk standard DS/HD 60364 for 275 A over 250 m ved 230V.

Copper Cable (≤3% Drop)2× 400 mm²Drop: 3.68V (1.6%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 12.13V (5.28%)
Voltage at Load226.3 VLine Loss: 1011.5 W
Max Power & Breaker63.25 kW300A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 275A at 250m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A1961.67 V (852.9%)0.0 V3235.83 V (1406.88%)539458.3 WDrop High
2.5 mm²24 A18 A1177.0 V (511.74%)0.0 V1941.5 V (844.13%)323675.0 WDrop High
4 mm²32 A25 A735.62 V (319.84%)0.0 V1213.44 V (527.58%)202296.9 WDrop High
6 mm²41 A32 A490.42 V (213.22%)0.0 V808.96 V (351.72%)134864.6 WDrop High
10 mm²57 A44 A294.25 V (127.93%)0.0 V485.38 V (211.03%)80918.7 WDrop High
16 mm²76 A59 A183.91 V (79.96%)46.1 V303.36 V (131.9%)50574.2 WDrop High
25 mm²101 A78 A117.7 V (51.17%)112.3 V194.15 V (84.41%)32367.5 WDrop High
35 mm²125 A97 A84.07 V (36.55%)145.9 V138.68 V (60.3%)23119.6 WDrop High
50 mm²151 A118 A58.85 V (25.59%)171.2 V97.07 V (42.21%)16183.8 WDrop High
70 mm²192 A150 A42.04 V (18.28%)188.0 V69.34 V (30.15%)11559.8 WDrop High
95 mm²232 A181 A30.97 V (13.47%)199.0 V51.09 V (22.21%)8517.8 WDrop High
120 mm²269 A210 A24.52 V (10.66%)205.5 V40.45 V (17.59%)6743.2 WDrop High
150 mm²309 A241 A19.62 V (8.53%)210.4 V32.36 V (14.07%)5394.6 WDrop High
185 mm²353 A275 A15.91 V (6.92%)214.1 V26.24 V (11.41%)4374.0 WDrop High
240 mm²415 A324 A12.26 V (5.33%)217.7 V20.22 V (8.79%)3371.6 WDrop High
300 mm²477 A372 A9.81 V (4.26%)220.2 V16.18 V (7.03%)2697.3 W~ ≤5%
400 mm²570 A445 A7.36 V (3.2%)222.6 V12.13 V (5.28%)2023.0 W~ ≤5%

FAQ — Kabeltværsnit for 275 Ampere ved 250 Meter (230V)

Hvilket kabeltværsnit kræves til 275A ved 250 meter (230V)?

Til 275 Ampere over 250 meter ved 230V anbefales 2× 400 mm² kobberkabel (spændingsfald 3.68V / 1.6%).

Hvor mange kW svarer 275A ved 230V til?

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