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

Kabeltværsnit for 5 Ampere ved 25 Meter (400V)

Beregning af kabeltværsnit (mm²), spændingsfald og sikringsstørrelse efter dansk standard DS/HD 60364 for 5 A over 25 m ved 400V.

Copper Cable (≤3% Drop)1.5 mm²Drop: 3.09V (0.77%)

Aluminum Cable (≤3% Drop)1.5 mm²Drop: 5.1V (1.27%)

Voltage at Load396.9 VLine Loss: 26.7 W

Max Power & Breaker3.46 kW6A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 5A 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	3.09 V (0.77%)	396.9 V	5.1 V (1.27%)	26.7 W	✓ OK (≤3%)
2.5 mm²	24 A	18 A	1.85 V (0.46%)	398.1 V	3.06 V (0.76%)	16.0 W	✓ OK (≤3%)
4 mm²	32 A	25 A	1.16 V (0.29%)	398.8 V	1.91 V (0.48%)	10.0 W	✓ OK (≤3%)
6 mm²	41 A	32 A	0.77 V (0.19%)	399.2 V	1.27 V (0.32%)	6.7 W	✓ OK (≤3%)
10 mm²	57 A	44 A	0.46 V (0.12%)	399.5 V	0.76 V (0.19%)	4.0 W	✓ OK (≤3%)
16 mm²	76 A	59 A	0.29 V (0.07%)	399.7 V	0.48 V (0.12%)	2.5 W	✓ OK (≤3%)
25 mm²	101 A	78 A	0.19 V (0.05%)	399.8 V	0.31 V (0.08%)	1.6 W	✓ OK (≤3%)
35 mm²	125 A	97 A	0.13 V (0.03%)	399.9 V	0.22 V (0.05%)	1.1 W	✓ OK (≤3%)
50 mm²	151 A	118 A	0.09 V (0.02%)	399.9 V	0.15 V (0.04%)	0.8 W	✓ OK (≤3%)
70 mm²	192 A	150 A	0.07 V (0.02%)	399.9 V	0.11 V (0.03%)	0.6 W	✓ OK (≤3%)
95 mm²	232 A	181 A	0.05 V (0.01%)	400.0 V	0.08 V (0.02%)	0.4 W	✓ OK (≤3%)
120 mm²	269 A	210 A	0.04 V (0.01%)	400.0 V	0.06 V (0.02%)	0.3 W	✓ OK (≤3%)
150 mm²	309 A	241 A	0.03 V (0.01%)	400.0 V	0.05 V (0.01%)	0.3 W	✓ OK (≤3%)
185 mm²	353 A	275 A	0.03 V (0.01%)	400.0 V	0.04 V (0.01%)	0.2 W	✓ OK (≤3%)
240 mm²	415 A	324 A	0.02 V (0.0%)	400.0 V	0.03 V (0.01%)	0.2 W	✓ OK (≤3%)
300 mm²	477 A	372 A	0.02 V (0.0%)	400.0 V	0.03 V (0.01%)	0.1 W	✓ OK (≤3%)
400 mm²	570 A	445 A	0.01 V (0.0%)	400.0 V	0.02 V (0.0%)	0.1 W	✓ OK (≤3%)

Til 5 Ampere over 25 meter ved 400V anbefales 1.5 mm² kobberkabel (spændingsfald 3.09V / 0.77%).

Det svarer til 3.46 kW med en anbefalet sikring på 6A.