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

Kabeltværsnit for 5 Ampere ved 400 Meter (400V)

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

Copper Cable (≤3% Drop)10 mm²Drop: 7.41V (1.85%)

Aluminum Cable (≤3% Drop)16 mm²Drop: 7.64V (1.91%)

Voltage at Load392.6 VLine Loss: 64.2 W

Max Power & Breaker3.46 kW6A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 5A at 400m

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	49.42 V (12.36%)	350.6 V	81.52 V (20.38%)	428.0 W	Drop High
2.5 mm²	24 A	18 A	29.65 V (7.41%)	370.3 V	48.91 V (12.23%)	256.8 W	Drop High
4 mm²	32 A	25 A	18.53 V (4.63%)	381.5 V	30.57 V (7.64%)	160.5 W	~ ≤5%
6 mm²	41 A	32 A	12.36 V (3.09%)	387.6 V	20.38 V (5.1%)	107.0 W	~ ≤5%
10 mm²	57 A	44 A	7.41 V (1.85%)	392.6 V	12.23 V (3.06%)	64.2 W	✓ OK (≤3%)
16 mm²	76 A	59 A	4.63 V (1.16%)	395.4 V	7.64 V (1.91%)	40.1 W	✓ OK (≤3%)
25 mm²	101 A	78 A	2.97 V (0.74%)	397.0 V	4.89 V (1.22%)	25.7 W	✓ OK (≤3%)
35 mm²	125 A	97 A	2.12 V (0.53%)	397.9 V	3.49 V (0.87%)	18.3 W	✓ OK (≤3%)
50 mm²	151 A	118 A	1.48 V (0.37%)	398.5 V	2.45 V (0.61%)	12.8 W	✓ OK (≤3%)
70 mm²	192 A	150 A	1.06 V (0.26%)	398.9 V	1.75 V (0.44%)	9.2 W	✓ OK (≤3%)
95 mm²	232 A	181 A	0.78 V (0.2%)	399.2 V	1.29 V (0.32%)	6.8 W	✓ OK (≤3%)
120 mm²	269 A	210 A	0.62 V (0.15%)	399.4 V	1.02 V (0.25%)	5.3 W	✓ OK (≤3%)
150 mm²	309 A	241 A	0.49 V (0.12%)	399.5 V	0.82 V (0.2%)	4.3 W	✓ OK (≤3%)
185 mm²	353 A	275 A	0.4 V (0.1%)	399.6 V	0.66 V (0.17%)	3.5 W	✓ OK (≤3%)
240 mm²	415 A	324 A	0.31 V (0.08%)	399.7 V	0.51 V (0.13%)	2.7 W	✓ OK (≤3%)
300 mm²	477 A	372 A	0.25 V (0.06%)	399.8 V	0.41 V (0.1%)	2.1 W	✓ OK (≤3%)
400 mm²	570 A	445 A	0.19 V (0.05%)	399.8 V	0.31 V (0.08%)	1.6 W	✓ OK (≤3%)

Til 5 Ampere over 400 meter ved 400V anbefales 10 mm² kobberkabel (spændingsfald 7.41V / 1.85%).

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