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

Kabeltværsnit for 15 Ampere ved 25 Meter (230V)

Beregning af kabeltværsnit (mm²), spændingsfald og sikringsstørrelse efter dansk standard DS/HD 60364 for 15 A over 25 m ved 230V.

Copper Cable (≤3% Drop)2.5 mm²Drop: 6.42V (2.79%)

Aluminum Cable (≤3% Drop)4 mm²Drop: 6.62V (2.88%)

Voltage at Load223.6 VLine Loss: 96.3 W

Max Power & Breaker3.45 kW15A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 15A 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	10.7 V (4.65%)	219.3 V	17.65 V (7.67%)	160.5 W	~ ≤5%
2.5 mm²	24 A	18 A	6.42 V (2.79%)	223.6 V	10.59 V (4.6%)	96.3 W	✓ OK (≤3%)
4 mm²	32 A	25 A	4.01 V (1.74%)	226.0 V	6.62 V (2.88%)	60.2 W	✓ OK (≤3%)
6 mm²	41 A	32 A	2.67 V (1.16%)	227.3 V	4.41 V (1.92%)	40.1 W	✓ OK (≤3%)
10 mm²	57 A	44 A	1.6 V (0.7%)	228.4 V	2.65 V (1.15%)	24.1 W	✓ OK (≤3%)
16 mm²	76 A	59 A	1.0 V (0.44%)	229.0 V	1.65 V (0.72%)	15.0 W	✓ OK (≤3%)
25 mm²	101 A	78 A	0.64 V (0.28%)	229.4 V	1.06 V (0.46%)	9.6 W	✓ OK (≤3%)
35 mm²	125 A	97 A	0.46 V (0.2%)	229.5 V	0.76 V (0.33%)	6.9 W	✓ OK (≤3%)
50 mm²	151 A	118 A	0.32 V (0.14%)	229.7 V	0.53 V (0.23%)	4.8 W	✓ OK (≤3%)
70 mm²	192 A	150 A	0.23 V (0.1%)	229.8 V	0.38 V (0.16%)	3.4 W	✓ OK (≤3%)
95 mm²	232 A	181 A	0.17 V (0.07%)	229.8 V	0.28 V (0.12%)	2.5 W	✓ OK (≤3%)
120 mm²	269 A	210 A	0.13 V (0.06%)	229.9 V	0.22 V (0.1%)	2.0 W	✓ OK (≤3%)
150 mm²	309 A	241 A	0.11 V (0.05%)	229.9 V	0.18 V (0.08%)	1.6 W	✓ OK (≤3%)
185 mm²	353 A	275 A	0.09 V (0.04%)	229.9 V	0.14 V (0.06%)	1.3 W	✓ OK (≤3%)
240 mm²	415 A	324 A	0.07 V (0.03%)	229.9 V	0.11 V (0.05%)	1.0 W	✓ OK (≤3%)
300 mm²	477 A	372 A	0.05 V (0.02%)	229.9 V	0.09 V (0.04%)	0.8 W	✓ OK (≤3%)
400 mm²	570 A	445 A	0.04 V (0.02%)	230.0 V	0.07 V (0.03%)	0.6 W	✓ OK (≤3%)

Til 15 Ampere over 25 meter ved 230V anbefales 2.5 mm² kobberkabel (spændingsfald 6.42V / 2.79%).

Det svarer til 3.45 kW med en anbefalet sikring på 15A.