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

Kabeltværsnit for 63 Ampere ved 30 Meter (400V)

Beregning af kabeltværsnit (mm²), spændingsfald og sikringsstørrelse efter dansk standard DS/HD 60364 for 63 A over 30 m ved 400V.

Copper Cable (≤3% Drop)16 mm²Drop: 4.38V (1.09%)

Aluminum Cable (≤3% Drop)25 mm²Drop: 4.62V (1.16%)

Voltage at Load395.6 VLine Loss: 477.8 W

Max Power & Breaker43.65 kW63A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 63A at 30m

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	46.7 V (11.68%)	353.3 V	77.04 V (19.26%)	5096.2 W	Drop High
2.5 mm²	24 A	18 A	28.02 V (7.01%)	372.0 V	46.22 V (11.56%)	3057.7 W	Drop High
4 mm²	32 A	25 A	17.51 V (4.38%)	382.5 V	28.89 V (7.22%)	1911.1 W	Drop High
6 mm²	41 A	32 A	11.68 V (2.92%)	388.3 V	19.26 V (4.81%)	1274.0 W	Drop High
10 mm²	57 A	44 A	7.01 V (1.75%)	393.0 V	11.56 V (2.89%)	764.4 W	Drop High
16 mm²	76 A	59 A	4.38 V (1.09%)	395.6 V	7.22 V (1.81%)	477.8 W	✓ OK (≤3%)
25 mm²	101 A	78 A	2.8 V (0.7%)	397.2 V	4.62 V (1.16%)	305.8 W	✓ OK (≤3%)
35 mm²	125 A	97 A	2.0 V (0.5%)	398.0 V	3.3 V (0.83%)	218.4 W	✓ OK (≤3%)
50 mm²	151 A	118 A	1.4 V (0.35%)	398.6 V	2.31 V (0.58%)	152.9 W	✓ OK (≤3%)
70 mm²	192 A	150 A	1.0 V (0.25%)	399.0 V	1.65 V (0.41%)	109.2 W	✓ OK (≤3%)
95 mm²	232 A	181 A	0.74 V (0.18%)	399.3 V	1.22 V (0.3%)	80.5 W	✓ OK (≤3%)
120 mm²	269 A	210 A	0.58 V (0.15%)	399.4 V	0.96 V (0.24%)	63.7 W	✓ OK (≤3%)
150 mm²	309 A	241 A	0.47 V (0.12%)	399.5 V	0.77 V (0.19%)	51.0 W	✓ OK (≤3%)
185 mm²	353 A	275 A	0.38 V (0.09%)	399.6 V	0.62 V (0.16%)	41.3 W	✓ OK (≤3%)
240 mm²	415 A	324 A	0.29 V (0.07%)	399.7 V	0.48 V (0.12%)	31.9 W	✓ OK (≤3%)
300 mm²	477 A	372 A	0.23 V (0.06%)	399.8 V	0.39 V (0.1%)	25.5 W	✓ OK (≤3%)
400 mm²	570 A	445 A	0.18 V (0.04%)	399.8 V	0.29 V (0.07%)	19.1 W	✓ OK (≤3%)

Til 63 Ampere over 30 meter ved 400V anbefales 16 mm² kobberkabel (spændingsfald 4.38V / 1.09%).

Det svarer til 43.65 kW med en anbefalet sikring på 63A.