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

Kabeltværsnit for 5 Ampere ved 50 Meter (400V)

Beregning af kabeltværsnit (mm²), spændingsfald og sikringsstørrelse efter dansk standard DS/HD 60364 for 5 A over 50 m ved 400V.

Copper Cable (≤3% Drop)1.5 mm²Drop: 6.18V (1.54%)

Aluminum Cable (≤3% Drop)1.5 mm²Drop: 10.19V (2.55%)

Voltage at Load393.8 VLine Loss: 53.5 W

Max Power & Breaker3.46 kW6A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 5A 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	6.18 V (1.54%)	393.8 V	10.19 V (2.55%)	53.5 W	✓ OK (≤3%)
2.5 mm²	24 A	18 A	3.71 V (0.93%)	396.3 V	6.11 V (1.53%)	32.1 W	✓ OK (≤3%)
4 mm²	32 A	25 A	2.32 V (0.58%)	397.7 V	3.82 V (0.96%)	20.1 W	✓ OK (≤3%)
6 mm²	41 A	32 A	1.54 V (0.39%)	398.5 V	2.55 V (0.64%)	13.4 W	✓ OK (≤3%)
10 mm²	57 A	44 A	0.93 V (0.23%)	399.1 V	1.53 V (0.38%)	8.0 W	✓ OK (≤3%)
16 mm²	76 A	59 A	0.58 V (0.14%)	399.4 V	0.96 V (0.24%)	5.0 W	✓ OK (≤3%)
25 mm²	101 A	78 A	0.37 V (0.09%)	399.6 V	0.61 V (0.15%)	3.2 W	✓ OK (≤3%)
35 mm²	125 A	97 A	0.26 V (0.07%)	399.7 V	0.44 V (0.11%)	2.3 W	✓ OK (≤3%)
50 mm²	151 A	118 A	0.19 V (0.05%)	399.8 V	0.31 V (0.08%)	1.6 W	✓ OK (≤3%)
70 mm²	192 A	150 A	0.13 V (0.03%)	399.9 V	0.22 V (0.05%)	1.1 W	✓ OK (≤3%)
95 mm²	232 A	181 A	0.1 V (0.02%)	399.9 V	0.16 V (0.04%)	0.8 W	✓ OK (≤3%)
120 mm²	269 A	210 A	0.08 V (0.02%)	399.9 V	0.13 V (0.03%)	0.7 W	✓ OK (≤3%)
150 mm²	309 A	241 A	0.06 V (0.02%)	399.9 V	0.1 V (0.03%)	0.5 W	✓ OK (≤3%)
185 mm²	353 A	275 A	0.05 V (0.01%)	399.9 V	0.08 V (0.02%)	0.4 W	✓ OK (≤3%)
240 mm²	415 A	324 A	0.04 V (0.01%)	400.0 V	0.06 V (0.02%)	0.3 W	✓ OK (≤3%)
300 mm²	477 A	372 A	0.03 V (0.01%)	400.0 V	0.05 V (0.01%)	0.3 W	✓ OK (≤3%)
400 mm²	570 A	445 A	0.02 V (0.01%)	400.0 V	0.04 V (0.01%)	0.2 W	✓ OK (≤3%)

Til 5 Ampere over 50 meter ved 400V anbefales 1.5 mm² kobberkabel (spændingsfald 6.18V / 1.54%).

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