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

Kabeltværsnit for 63 Ampere ved 25 Meter (400V)

Beregning af kabeltværsnit (mm²), spændingsfald og sikringsstørrelse efter dansk standard DS/HD 60364 for 63 A over 25 m ved 400V.

Copper Cable (≤3% Drop)16 mm²Drop: 3.65V (0.91%)

Aluminum Cable (≤3% Drop)25 mm²Drop: 3.85V (0.96%)

Voltage at Load396.4 VLine Loss: 398.1 W

Max Power & Breaker43.65 kW63A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 63A 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	38.92 V (9.73%)	361.1 V	64.2 V (16.05%)	4246.8 W	Drop High
2.5 mm²	24 A	18 A	23.35 V (5.84%)	376.6 V	38.52 V (9.63%)	2548.1 W	Drop High
4 mm²	32 A	25 A	14.59 V (3.65%)	385.4 V	24.07 V (6.02%)	1592.6 W	Drop High
6 mm²	41 A	32 A	9.73 V (2.43%)	390.3 V	16.05 V (4.01%)	1061.7 W	Drop High
10 mm²	57 A	44 A	5.84 V (1.46%)	394.2 V	9.63 V (2.41%)	637.0 W	Drop High
16 mm²	76 A	59 A	3.65 V (0.91%)	396.4 V	6.02 V (1.5%)	398.1 W	✓ OK (≤3%)
25 mm²	101 A	78 A	2.34 V (0.58%)	397.7 V	3.85 V (0.96%)	254.8 W	✓ OK (≤3%)
35 mm²	125 A	97 A	1.67 V (0.42%)	398.3 V	2.75 V (0.69%)	182.0 W	✓ OK (≤3%)
50 mm²	151 A	118 A	1.17 V (0.29%)	398.8 V	1.93 V (0.48%)	127.4 W	✓ OK (≤3%)
70 mm²	192 A	150 A	0.83 V (0.21%)	399.2 V	1.38 V (0.34%)	91.0 W	✓ OK (≤3%)
95 mm²	232 A	181 A	0.61 V (0.15%)	399.4 V	1.01 V (0.25%)	67.1 W	✓ OK (≤3%)
120 mm²	269 A	210 A	0.49 V (0.12%)	399.5 V	0.8 V (0.2%)	53.1 W	✓ OK (≤3%)
150 mm²	309 A	241 A	0.39 V (0.1%)	399.6 V	0.64 V (0.16%)	42.5 W	✓ OK (≤3%)
185 mm²	353 A	275 A	0.32 V (0.08%)	399.7 V	0.52 V (0.13%)	34.4 W	✓ OK (≤3%)
240 mm²	415 A	324 A	0.24 V (0.06%)	399.8 V	0.4 V (0.1%)	26.5 W	✓ OK (≤3%)
300 mm²	477 A	372 A	0.19 V (0.05%)	399.8 V	0.32 V (0.08%)	21.2 W	✓ OK (≤3%)
400 mm²	570 A	445 A	0.15 V (0.04%)	399.9 V	0.24 V (0.06%)	15.9 W	✓ OK (≤3%)

Til 63 Ampere over 25 meter ved 400V anbefales 16 mm² kobberkabel (spændingsfald 3.65V / 0.91%).

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