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

Kabeltværsnit for 63 Ampere ved 50 Meter (400V)

Beregning af kabeltværsnit (mm²), spændingsfald og sikringsstørrelse efter dansk standard DS/HD 60364 for 63 A over 50 m ved 400V.

Copper Cable (≤3% Drop)16 mm²Drop: 7.3V (1.82%)

Aluminum Cable (≤3% Drop)25 mm²Drop: 7.7V (1.93%)

Voltage at Load392.7 VLine Loss: 796.3 W

Max Power & Breaker43.65 kW63A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 63A at 50m

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	77.84 V (19.46%)	322.2 V	128.4 V (32.1%)	8493.7 W	Drop High
2.5 mm²	24 A	18 A	46.7 V (11.68%)	353.3 V	77.04 V (19.26%)	5096.2 W	Drop High
4 mm²	32 A	25 A	29.19 V (7.3%)	370.8 V	48.15 V (12.04%)	3185.1 W	Drop High
6 mm²	41 A	32 A	19.46 V (4.86%)	380.5 V	32.1 V (8.02%)	2123.4 W	Drop High
10 mm²	57 A	44 A	11.68 V (2.92%)	388.3 V	19.26 V (4.81%)	1274.0 W	Drop High
16 mm²	76 A	59 A	7.3 V (1.82%)	392.7 V	12.04 V (3.01%)	796.3 W	✓ OK (≤3%)
25 mm²	101 A	78 A	4.67 V (1.17%)	395.3 V	7.7 V (1.93%)	509.6 W	✓ OK (≤3%)
35 mm²	125 A	97 A	3.34 V (0.83%)	396.7 V	5.5 V (1.38%)	364.0 W	✓ OK (≤3%)
50 mm²	151 A	118 A	2.34 V (0.58%)	397.7 V	3.85 V (0.96%)	254.8 W	✓ OK (≤3%)
70 mm²	192 A	150 A	1.67 V (0.42%)	398.3 V	2.75 V (0.69%)	182.0 W	✓ OK (≤3%)
95 mm²	232 A	181 A	1.23 V (0.31%)	398.8 V	2.03 V (0.51%)	134.1 W	✓ OK (≤3%)
120 mm²	269 A	210 A	0.97 V (0.24%)	399.0 V	1.6 V (0.4%)	106.2 W	✓ OK (≤3%)
150 mm²	309 A	241 A	0.78 V (0.19%)	399.2 V	1.28 V (0.32%)	84.9 W	✓ OK (≤3%)
185 mm²	353 A	275 A	0.63 V (0.16%)	399.4 V	1.04 V (0.26%)	68.9 W	✓ OK (≤3%)
240 mm²	415 A	324 A	0.49 V (0.12%)	399.5 V	0.8 V (0.2%)	53.1 W	✓ OK (≤3%)
300 mm²	477 A	372 A	0.39 V (0.1%)	399.6 V	0.64 V (0.16%)	42.5 W	✓ OK (≤3%)
400 mm²	570 A	445 A	0.29 V (0.07%)	399.7 V	0.48 V (0.12%)	31.9 W	✓ OK (≤3%)

Til 63 Ampere over 50 meter ved 400V anbefales 16 mm² kobberkabel (spændingsfald 7.3V / 1.82%).

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