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

Kabeltværsnit for 40 Ampere ved 60 Meter (400V)

Beregning af kabeltværsnit (mm²), spændingsfald og sikringsstørrelse efter dansk standard DS/HD 60364 for 40 A over 60 m ved 400V.

Copper Cable (≤3% Drop)10 mm²Drop: 8.9V (2.22%)

Aluminum Cable (≤3% Drop)16 mm²Drop: 9.17V (2.29%)

Voltage at Load391.1 VLine Loss: 616.3 W

Max Power & Breaker27.71 kW40A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 40A at 60m

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	59.31 V (14.83%)	340.7 V	97.83 V (24.46%)	4108.8 W	Drop High
2.5 mm²	24 A	18 A	35.58 V (8.9%)	364.4 V	58.7 V (14.67%)	2465.3 W	Drop High
4 mm²	32 A	25 A	22.24 V (5.56%)	377.8 V	36.68 V (9.17%)	1540.8 W	Drop High
6 mm²	41 A	32 A	14.83 V (3.71%)	385.2 V	24.46 V (6.11%)	1027.2 W	~ ≤5%
10 mm²	57 A	44 A	8.9 V (2.22%)	391.1 V	14.67 V (3.67%)	616.3 W	✓ OK (≤3%)
16 mm²	76 A	59 A	5.56 V (1.39%)	394.4 V	9.17 V (2.29%)	385.2 W	✓ OK (≤3%)
25 mm²	101 A	78 A	3.56 V (0.89%)	396.4 V	5.87 V (1.47%)	246.5 W	✓ OK (≤3%)
35 mm²	125 A	97 A	2.54 V (0.64%)	397.5 V	4.19 V (1.05%)	176.1 W	✓ OK (≤3%)
50 mm²	151 A	118 A	1.78 V (0.44%)	398.2 V	2.93 V (0.73%)	123.3 W	✓ OK (≤3%)
70 mm²	192 A	150 A	1.27 V (0.32%)	398.7 V	2.1 V (0.52%)	88.0 W	✓ OK (≤3%)
95 mm²	232 A	181 A	0.94 V (0.23%)	399.1 V	1.54 V (0.39%)	64.9 W	✓ OK (≤3%)
120 mm²	269 A	210 A	0.74 V (0.19%)	399.3 V	1.22 V (0.31%)	51.4 W	✓ OK (≤3%)
150 mm²	309 A	241 A	0.59 V (0.15%)	399.4 V	0.98 V (0.24%)	41.1 W	✓ OK (≤3%)
185 mm²	353 A	275 A	0.48 V (0.12%)	399.5 V	0.79 V (0.2%)	33.3 W	✓ OK (≤3%)
240 mm²	415 A	324 A	0.37 V (0.09%)	399.6 V	0.61 V (0.15%)	25.7 W	✓ OK (≤3%)
300 mm²	477 A	372 A	0.3 V (0.07%)	399.7 V	0.49 V (0.12%)	20.5 W	✓ OK (≤3%)
400 mm²	570 A	445 A	0.22 V (0.06%)	399.8 V	0.37 V (0.09%)	15.4 W	✓ OK (≤3%)

Til 40 Ampere over 60 meter ved 400V anbefales 10 mm² kobberkabel (spændingsfald 8.9V / 2.22%).

Det svarer til 27.71 kW med en anbefalet sikring på 40A.