⚡ IEC 60364-5-52 · DIN VDE · NEK 400 · SS 436 40 00

Kabeltværsnit for 25 Ampere ved 25 Meter (230V)

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

Copper Cable (≤3% Drop)4 mm²Drop: 6.69V (2.91%)

Aluminum Cable (≤3% Drop)10 mm²Drop: 4.41V (1.92%)

Voltage at Load223.3 VLine Loss: 167.2 W

Max Power & Breaker5.75 kW25A MCB/MCCB

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

Cross-Section (mm²)	Cu Ampacity	Al Ampacity	Cu Voltage Drop	Load Voltage	Al Voltage Drop	Power Loss	Status
1.5 mm²	16 A	12 A	17.83 V (7.75%)	212.2 V	29.42 V (12.79%)	445.8 W	Drop High
2.5 mm²	24 A	18 A	10.7 V (4.65%)	219.3 V	17.65 V (7.67%)	267.5 W	Drop High
4 mm²	32 A	25 A	6.69 V (2.91%)	223.3 V	11.03 V (4.8%)	167.2 W	✓ OK (≤3%)
6 mm²	41 A	32 A	4.46 V (1.94%)	225.5 V	7.35 V (3.2%)	111.5 W	✓ OK (≤3%)
10 mm²	57 A	44 A	2.67 V (1.16%)	227.3 V	4.41 V (1.92%)	66.9 W	✓ OK (≤3%)
16 mm²	76 A	59 A	1.67 V (0.73%)	228.3 V	2.76 V (1.2%)	41.8 W	✓ OK (≤3%)
25 mm²	101 A	78 A	1.07 V (0.47%)	228.9 V	1.76 V (0.77%)	26.7 W	✓ OK (≤3%)
35 mm²	125 A	97 A	0.76 V (0.33%)	229.2 V	1.26 V (0.55%)	19.1 W	✓ OK (≤3%)
50 mm²	151 A	118 A	0.53 V (0.23%)	229.5 V	0.88 V (0.38%)	13.4 W	✓ OK (≤3%)
70 mm²	192 A	150 A	0.38 V (0.17%)	229.6 V	0.63 V (0.27%)	9.6 W	✓ OK (≤3%)
95 mm²	232 A	181 A	0.28 V (0.12%)	229.7 V	0.46 V (0.2%)	7.0 W	✓ OK (≤3%)
120 mm²	269 A	210 A	0.22 V (0.1%)	229.8 V	0.37 V (0.16%)	5.6 W	✓ OK (≤3%)
150 mm²	309 A	241 A	0.18 V (0.08%)	229.8 V	0.29 V (0.13%)	4.5 W	✓ OK (≤3%)
185 mm²	353 A	275 A	0.14 V (0.06%)	229.9 V	0.24 V (0.1%)	3.6 W	✓ OK (≤3%)
240 mm²	415 A	324 A	0.11 V (0.05%)	229.9 V	0.18 V (0.08%)	2.8 W	✓ OK (≤3%)
300 mm²	477 A	372 A	0.09 V (0.04%)	229.9 V	0.15 V (0.06%)	2.2 W	✓ OK (≤3%)
400 mm²	570 A	445 A	0.07 V (0.03%)	229.9 V	0.11 V (0.05%)	1.7 W	✓ OK (≤3%)

Til 25 Ampere over 25 meter ved 230V anbefales 4 mm² kobberkabel (spændingsfald 6.69V / 2.91%).

Det svarer til 5.75 kW med en anbefalet sikring på 25A.